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• DKIM sign any outgoing mail as the same domain. is possibly?

  - by Felipe Alcacibar

  I have a website, and the users recommend via email to another persons, so the mail come from my site, but I need to appear the user as sender, but "via" mydomain. The logically and what lists management software and companies do is differ the "MAIL FROM" SMTP command and the "From" header (like mailchimp, for example). So I want to DKIM sign a mail with mydomain.com, even if the From header says another domain. is possibly this? I am using postfix with Debian GNU/Linux, and in this case using dkim-filter and dk-filter.

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• OS X Leopard (10.5) Server -- Unwanted Emails

  - by David

  Our OS X Leopard (10.5) server is sending out an email EVERY DAY for a Disk Full Notification on an external HDD we use for Time Machine backups (which manages it's own disk space, so the disk full notifications are useless). In the Server Admin app, under Settings Notifications, there's this: which is clearly disabled. The email header and message: http://pastebin.com/V5PZ3Phk I've been told to check the mail.log, but it's mostly empty (except for a few logs in 2011 saying "Postfix mail system is not running". I've also been told to check the crontabs, but I'm not sure how to do that on OS X (or any OS for that matter). Can someone explain how to do this? Also, if there's any other suggestions on places/things/etc to look at/for, my ears are all open!

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• Need hosting (e-mail, http) for external domains

  - by disappointed

  This may not be the right place, but since it is a more technical aspect of the hosting world, I am taking the liberty to ask: I'm currently running a virtual server with nginx and postfix for web and e-mail, but I can't handle the administration and, due to frequent problems with e-mail services, I need to resolve this with a almost-standard hosting package (anything should work, even 5 MB static files would be OK). The exception being that I would like to use several domains, hosted with different registrars, for web and e-mail. Currently, this is a very simple configuration in my setup. All hosters I have looked at seem to think this a costly business (more than domain registration costs), but of course the recommend to transfer domains to them (they want the $$). Does anyone know of a hosting company that allows its customers to freely manage domains registered somewhere else?

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• Installing and configuring email server on debian step by step

  - by webprogrammer

  Can anybody tell me how to install and configure email server on debian step by step? What I mean? I have my own server with my dns. There are several sites on it. So I need: 1) Create emails for each domains, for example, [email protected], [email protected], [email protected] ... Where I can create them? Can I create that email list in file(s), not in mysql? 2) I need send emails from php scripts over smtp-server. 3) I need to read emails in Thunderbird (on Ubuntu, if that matters) and send emails from it over smtp of my domains. I have already installed postfix and dovecot. What's next? Can somebody provide me some HowTos?

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• High Linux loads on low CPU/memory usage

  - by user13323

  Hi. I have quite strange situation, where my CentOS 5.5 box loads are high, but the CPU and memory used are pretty low: top - 20:41:38 up 42 days, 6:14, 2 users, load average: 19.79, 21.25, 18.87 Tasks: 254 total, 1 running, 253 sleeping, 0 stopped, 0 zombie Cpu(s): 3.8%us, 0.3%sy, 0.1%ni, 95.0%id, 0.6%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 4035284k total, 4008084k used, 27200k free, 38748k buffers Swap: 4208928k total, 242576k used, 3966352k free, 1465008k cached free -mt total used free shared buffers cached Mem: 3940 3910 29 0 37 1427 -/+ buffers/cache: 2445 1495 Swap: 4110 236 3873 Total: 8050 4147 3903 Iostat also shows good results: avg-cpu: %user %nice %system %iowait %steal %idle 3.83 0.13 0.41 0.58 0.00 95.05 Here is the ps aux output: USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 0.0 0.0 10348 80 ? Ss 2010 2:11 init [3] root 2 0.0 0.0 0 0 ? S< 2010 0:00 [migration/0] root 3 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/0] root 4 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/0] root 5 0.0 0.0 0 0 ? S< 2010 0:02 [migration/1] root 6 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/1] root 7 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/1] root 8 0.0 0.0 0 0 ? S< 2010 0:02 [migration/2] root 9 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/2] root 10 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/2] root 11 0.0 0.0 0 0 ? S< 2010 0:02 [migration/3] root 12 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/3] root 13 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/3] root 14 0.0 0.0 0 0 ? S< 2010 0:03 [migration/4] root 15 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/4] root 16 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/4] root 17 0.0 0.0 0 0 ? S< 2010 0:01 [migration/5] root 18 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/5] root 19 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/5] root 20 0.0 0.0 0 0 ? S< 2010 0:11 [migration/6] root 21 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/6] root 22 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/6] root 23 0.0 0.0 0 0 ? S< 2010 0:01 [migration/7] root 24 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/7] root 25 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/7] root 26 0.0 0.0 0 0 ? S< 2010 0:00 [migration/8] root 27 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/8] root 28 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/8] root 29 0.0 0.0 0 0 ? S< 2010 0:00 [migration/9] root 30 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/9] root 31 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/9] root 32 0.0 0.0 0 0 ? S< 2010 0:08 [migration/10] root 33 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/10] root 34 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/10] root 35 0.0 0.0 0 0 ? S< 2010 0:05 [migration/11] root 36 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/11] root 37 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/11] root 38 0.0 0.0 0 0 ? S< 2010 0:02 [migration/12] root 39 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/12] root 40 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/12] root 41 0.0 0.0 0 0 ? S< 2010 0:14 [migration/13] root 42 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/13] root 43 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/13] root 44 0.0 0.0 0 0 ? S< 2010 0:04 [migration/14] root 45 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/14] root 46 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/14] root 47 0.0 0.0 0 0 ? S< 2010 0:01 [migration/15] root 48 0.0 0.0 0 0 ? SN 2010 0:00 [ksoftirqd/15] root 49 0.0 0.0 0 0 ? S< 2010 0:00 [watchdog/15] root 50 0.0 0.0 0 0 ? S< 2010 0:00 [events/0] root 51 0.0 0.0 0 0 ? S< 2010 0:00 [events/1] root 52 0.0 0.0 0 0 ? S< 2010 0:00 [events/2] root 53 0.0 0.0 0 0 ? S< 2010 0:00 [events/3] root 54 0.0 0.0 0 0 ? S< 2010 0:00 [events/4] root 55 0.0 0.0 0 0 ? S< 2010 0:00 [events/5] root 56 0.0 0.0 0 0 ? S< 2010 0:00 [events/6] root 57 0.0 0.0 0 0 ? S< 2010 0:00 [events/7] root 58 0.0 0.0 0 0 ? S< 2010 0:00 [events/8] root 59 0.0 0.0 0 0 ? S< 2010 0:00 [events/9] root 60 0.0 0.0 0 0 ? S< 2010 0:00 [events/10] root 61 0.0 0.0 0 0 ? S< 2010 0:00 [events/11] root 62 0.0 0.0 0 0 ? S< 2010 0:00 [events/12] root 63 0.0 0.0 0 0 ? S< 2010 0:00 [events/13] root 64 0.0 0.0 0 0 ? S< 2010 0:00 [events/14] root 65 0.0 0.0 0 0 ? S< 2010 0:00 [events/15] root 66 0.0 0.0 0 0 ? S< 2010 0:00 [khelper] root 107 0.0 0.0 0 0 ? S< 2010 0:00 [kthread] root 126 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/0] root 127 0.0 0.0 0 0 ? S< 2010 0:03 [kblockd/1] root 128 0.0 0.0 0 0 ? S< 2010 0:01 [kblockd/2] root 129 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/3] root 130 0.0 0.0 0 0 ? S< 2010 0:05 [kblockd/4] root 131 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/5] root 132 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/6] root 133 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/7] root 134 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/8] root 135 0.0 0.0 0 0 ? S< 2010 0:02 [kblockd/9] root 136 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/10] root 137 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/11] root 138 0.0 0.0 0 0 ? S< 2010 0:04 [kblockd/12] root 139 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/13] root 140 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/14] root 141 0.0 0.0 0 0 ? S< 2010 0:00 [kblockd/15] root 142 0.0 0.0 0 0 ? S< 2010 0:00 [kacpid] root 281 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/0] root 282 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/1] root 283 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/2] root 284 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/3] root 285 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/4] root 286 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/5] root 287 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/6] root 288 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/7] root 289 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/8] root 290 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/9] root 291 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/10] root 292 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/11] root 293 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/12] root 294 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/13] root 295 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/14] root 296 0.0 0.0 0 0 ? S< 2010 0:00 [cqueue/15] root 299 0.0 0.0 0 0 ? S< 2010 0:00 [khubd] root 301 0.0 0.0 0 0 ? S< 2010 0:00 [kseriod] root 490 0.0 0.0 0 0 ? S 2010 0:00 [khungtaskd] root 493 0.1 0.0 0 0 ? S< 2010 94:48 [kswapd1] root 494 0.0 0.0 0 0 ? S< 2010 0:00 [aio/0] root 495 0.0 0.0 0 0 ? S< 2010 0:00 [aio/1] root 496 0.0 0.0 0 0 ? S< 2010 0:00 [aio/2] root 497 0.0 0.0 0 0 ? S< 2010 0:00 [aio/3] root 498 0.0 0.0 0 0 ? S< 2010 0:00 [aio/4] root 499 0.0 0.0 0 0 ? S< 2010 0:00 [aio/5] root 500 0.0 0.0 0 0 ? S< 2010 0:00 [aio/6] root 501 0.0 0.0 0 0 ? S< 2010 0:00 [aio/7] root 502 0.0 0.0 0 0 ? S< 2010 0:00 [aio/8] root 503 0.0 0.0 0 0 ? S< 2010 0:00 [aio/9] root 504 0.0 0.0 0 0 ? S< 2010 0:00 [aio/10] root 505 0.0 0.0 0 0 ? S< 2010 0:00 [aio/11] root 506 0.0 0.0 0 0 ? S< 2010 0:00 [aio/12] root 507 0.0 0.0 0 0 ? S< 2010 0:00 [aio/13] root 508 0.0 0.0 0 0 ? S< 2010 0:00 [aio/14] root 509 0.0 0.0 0 0 ? S< 2010 0:00 [aio/15] root 665 0.0 0.0 0 0 ? S< 2010 0:00 [kpsmoused] root 808 0.0 0.0 0 0 ? S< 2010 0:00 [ata/0] root 809 0.0 0.0 0 0 ? S< 2010 0:00 [ata/1] root 810 0.0 0.0 0 0 ? S< 2010 0:00 [ata/2] root 811 0.0 0.0 0 0 ? S< 2010 0:00 [ata/3] root 812 0.0 0.0 0 0 ? S< 2010 0:00 [ata/4] root 813 0.0 0.0 0 0 ? S< 2010 0:00 [ata/5] root 814 0.0 0.0 0 0 ? S< 2010 0:00 [ata/6] root 815 0.0 0.0 0 0 ? S< 2010 0:00 [ata/7] root 816 0.0 0.0 0 0 ? S< 2010 0:00 [ata/8] root 817 0.0 0.0 0 0 ? S< 2010 0:00 [ata/9] root 818 0.0 0.0 0 0 ? S< 2010 0:00 [ata/10] root 819 0.0 0.0 0 0 ? S< 2010 0:00 [ata/11] root 820 0.0 0.0 0 0 ? S< 2010 0:00 [ata/12] root 821 0.0 0.0 0 0 ? S< 2010 0:00 [ata/13] root 822 0.0 0.0 0 0 ? S< 2010 0:00 [ata/14] root 823 0.0 0.0 0 0 ? S< 2010 0:00 [ata/15] root 824 0.0 0.0 0 0 ? S< 2010 0:00 [ata_aux] root 842 0.0 0.0 0 0 ? S< 2010 0:00 [scsi_eh_0] root 843 0.0 0.0 0 0 ? S< 2010 0:00 [scsi_eh_1] root 844 0.0 0.0 0 0 ? S< 2010 0:00 [scsi_eh_2] root 845 0.0 0.0 0 0 ? S< 2010 0:00 [scsi_eh_3] root 846 0.0 0.0 0 0 ? S< 2010 0:00 [scsi_eh_4] root 847 0.0 0.0 0 0 ? S< 2010 0:00 [scsi_eh_5] root 882 0.0 0.0 0 0 ? S< 2010 0:00 [kstriped] root 951 0.0 0.0 0 0 ? S< 2010 4:24 [kjournald] root 976 0.0 0.0 0 0 ? S< 2010 0:00 [kauditd] postfix 990 0.0 0.0 54208 2284 ? S 21:19 0:00 pickup -l -t fifo -u root 1013 0.0 0.0 12676 8 ? S<s 2010 0:00 /sbin/udevd -d root 1326 0.0 0.0 90900 3400 ? Ss 14:53 0:00 sshd: root@notty root 1410 0.0 0.0 53972 2108 ? Ss 14:53 0:00 /usr/libexec/openssh/sftp-server root 2690 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/0] root 2691 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/1] root 2692 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/2] root 2693 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/3] root 2694 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/4] root 2695 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/5] root 2696 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/6] root 2697 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/7] root 2698 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/8] root 2699 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/9] root 2700 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/10] root 2701 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/11] root 2702 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/12] root 2703 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/13] root 2704 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/14] root 2705 0.0 0.0 0 0 ? S< 2010 0:00 [kmpathd/15] root 2706 0.0 0.0 0 0 ? S< 2010 0:00 [kmpath_handlerd] root 2755 0.0 0.0 0 0 ? S< 2010 4:35 [kjournald] root 2757 0.0 0.0 0 0 ? S< 2010 3:38 [kjournald] root 2759 0.0 0.0 0 0 ? S< 2010 4:10 [kjournald] root 2761 0.0 0.0 0 0 ? S< 2010 4:26 [kjournald] root 2763 0.0 0.0 0 0 ? S< 2010 3:15 [kjournald] root 2765 0.0 0.0 0 0 ? S< 2010 3:04 [kjournald] root 2767 0.0 0.0 0 0 ? S< 2010 3:02 [kjournald] root 2769 0.0 0.0 0 0 ? S< 2010 2:58 [kjournald] root 2771 0.0 0.0 0 0 ? S< 2010 0:00 [kjournald] root 3340 0.0 0.0 5908 356 ? Ss 2010 2:48 syslogd -m 0 root 3343 0.0 0.0 3804 212 ? Ss 2010 0:03 klogd -x root 3430 0.0 0.0 0 0 ? S< 2010 0:50 [kondemand/0] root 3431 0.0 0.0 0 0 ? S< 2010 0:54 [kondemand/1] root 3432 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/2] root 3433 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/3] root 3434 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/4] root 3435 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/5] root 3436 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/6] root 3437 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/7] root 3438 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/8] root 3439 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/9] root 3440 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/10] root 3441 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/11] root 3442 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/12] root 3443 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/13] root 3444 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/14] root 3445 0.0 0.0 0 0 ? S< 2010 0:00 [kondemand/15] root 3461 0.0 0.0 10760 284 ? Ss 2010 3:44 irqbalance rpc 3481 0.0 0.0 8052 4 ? Ss 2010 0:00 portmap root 3526 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/0] root 3527 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/1] root 3528 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/2] root 3529 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/3] root 3530 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/4] root 3531 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/5] root 3532 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/6] root 3533 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/7] root 3534 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/8] root 3535 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/9] root 3536 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/10] root 3537 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/11] root 3538 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/12] root 3539 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/13] root 3540 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/14] root 3541 0.0 0.0 0 0 ? S< 2010 0:00 [rpciod/15] root 3563 0.0 0.0 10160 8 ? Ss 2010 0:00 rpc.statd root 3595 0.0 0.0 55180 4 ? Ss 2010 0:00 rpc.idmapd dbus 3618 0.0 0.0 21256 28 ? Ss 2010 0:00 dbus-daemon --system root 3649 0.2 0.4 563084 18796 ? S<sl 2010 179:03 mfsmount /mnt/mfs -o rw,mfsmaster=web1.ovs.local root 3702 0.0 0.0 3800 8 ? Ss 2010 0:00 /usr/sbin/acpid 68 3715 0.0 0.0 31312 816 ? Ss 2010 3:14 hald root 3716 0.0 0.0 21692 28 ? S 2010 0:00 hald-runner 68 3726 0.0 0.0 12324 8 ? S 2010 0:00 hald-addon-acpi: listening on acpid socket /var/run/acpid.socket 68 3730 0.0 0.0 12324 8 ? S 2010 0:00 hald-addon-keyboard: listening on /dev/input/event0 root 3773 0.0 0.0 62608 332 ? Ss 2010 0:00 /usr/sbin/sshd ganglia 3786 0.0 0.0 24704 988 ? Ss 2010 14:26 /usr/sbin/gmond root 3843 0.0 0.0 54144 300 ? Ss 2010 1:49 /usr/libexec/postfix/master postfix 3855 0.0 0.0 54860 1060 ? S 2010 0:22 qmgr -l -t fifo -u root 3877 0.0 0.0 74828 708 ? Ss 2010 1:15 crond root 3891 1.4 1.9 326960 77704 ? S<l 2010 896:59 mfschunkserver root 4122 0.0 0.0 18732 176 ? Ss 2010 0:10 /usr/sbin/atd root 4193 0.0 0.8 129180 35984 ? Ssl 2010 11:04 /usr/bin/ruby /usr/sbin/puppetd root 4223 0.0 0.0 18416 172 ? S 2010 0:10 /usr/sbin/smartd -q never root 4227 0.0 0.0 3792 8 tty1 Ss+ 2010 0:00 /sbin/mingetty tty1 root 4230 0.0 0.0 3792 8 tty2 Ss+ 2010 0:00 /sbin/mingetty tty2 root 4231 0.0 0.0 3792 8 tty3 Ss+ 2010 0:00 /sbin/mingetty tty3 root 4233 0.0 0.0 3792 8 tty4 Ss+ 2010 0:00 /sbin/mingetty tty4 root 4234 0.0 0.0 3792 8 tty5 Ss+ 2010 0:00 /sbin/mingetty tty5 root 4236 0.0 0.0 3792 8 tty6 Ss+ 2010 0:00 /sbin/mingetty tty6 root 5596 0.0 0.0 19368 20 ? Ss 2010 0:00 DarwinStreamingServer qtss 5597 0.8 0.9 166572 37408 ? Sl 2010 523:02 DarwinStreamingServer root 8714 0.0 0.0 0 0 ? S Jan31 0:33 [pdflush] root 9914 0.0 0.0 65612 968 pts/1 R+ 21:49 0:00 ps aux root 10765 0.0 0.0 76792 1080 ? Ss Jan24 0:58 SCREEN root 10766 0.0 0.0 66212 872 pts/3 Ss Jan24 0:00 /bin/bash root 11833 0.0 0.0 63852 1060 pts/3 S+ 17:17 0:00 /bin/sh ./launch.sh root 11834 437 42.9 4126884 1733348 pts/3 Sl+ 17:17 1190:50 /usr/bin/java -Xms128m -Xmx512m -XX:+UseConcMarkSweepGC -jar /JavaCore/JavaCore.jar root 13127 4.7 1.1 110564 46876 ? Ssl 17:18 12:55 /JavaCore/fetcher.bin root 19392 0.0 0.0 90108 3336 ? Rs 20:35 0:00 sshd: root@pts/1 root 19401 0.0 0.0 66216 1640 pts/1 Ss 20:35 0:00 -bash root 20567 0.0 0.0 90108 412 ? Ss Jan16 1:58 sshd: root@pts/0 root 20569 0.0 0.0 66084 912 pts/0 Ss Jan16 0:00 -bash root 21053 0.0 0.0 63856 28 ? S Jan30 0:00 /bin/sh /usr/bin/WowzaMediaServerd /usr/local/WowzaMediaServer/bin/setenv.sh /var/run/WowzaM root 21054 2.9 10.3 2252652 418468 ? Sl Jan30 314:25 java -Xmx1200M -server -Djava.net.preferIPv4Stack=true -Dcom.sun.management.jmxremote=true - root 21915 0.0 0.0 0 0 ? S Feb01 0:00 [pdflush] root 29996 0.0 0.0 76524 1004 pts/0 S+ 14:41 0:00 screen -x Any idea what could this be, or where I should look for more diagnostic information? Thanks.

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• Server Security

  - by mahatmanich

  I want to run my own root server (directly accessible from the web without a hardware firewall) with debian lenny, apache2, php5, mysql, postfix MTA, sftp (based on ssh) and maybe dns server. What measures/software would you recomend, and why, to secure this server down and minimalize the attack vector? Webapplications aside ... This is what I have so far: iptables (for gen. packet filtering) fail2ban (brute force attack defense) ssh (chang default, port disable root access) modsecurity - is really clumsy and a pain (any alternative here?) ?Sudo why should I use it? what is the advantage to normal user handling thinking about greensql for mysql www.greensql.net is tripwire worth looking at? snort? What am I missing? What is hot and what is not? Best practices? I like "KISS" - Keep it simple secure, I know it would be nice! Thanks in advance ...

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• Mysql-how to update the "domain.com" in "[email protected]"

  - by w00t

  Hi there, In my database I have a lot of users who've misspelled their e-mail address. This in turn causes my postfix to bounce a lot of mails when sending the newsletter. Forms include (but are not limited to) "yaho.com", "yahho .com" etc. Very annoying! So i have been trying to update those record to the correct value. After executing select email from users where email like '%@yaho%' and email not like '%yahoo%'; and getting the list, I'm stuck because I do not know how to update only the yaho part. I need the username to be left intact. So I thought I would just dump the database and use vim to replace, but I cannot escape the @ symbol.. BTW, how do I select all email addresses written in CAPS? select upper(email) from users; would just transform everything into CAPS, whereas I just needed to find out the already-written-in-CAPS mails.

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• Linux server is only using 60% of memory, then swapping

  - by Kamil Kisiel

  I've got a Linux server that's running our bacula backup system. The machine is grinding like mad because it's going heavy in to swap. The problem is, it's only using 60% of its physical memory! Here's the output from free -m: free -m total used free shared buffers cached Mem: 3949 2356 1593 0 0 1 -/+ buffers/cache: 2354 1595 Swap: 7629 1804 5824 and some sample output from vmstat 1: procs -----------memory---------- ---swap-- -----io---- -system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 0 2 1843536 1634512 0 4188 54 13 2524 666 2 1 1 1 89 9 0 1 11 1845916 1640724 0 388 2700 4816 221880 4879 14409 170721 4 3 63 30 0 0 9 1846096 1643952 0 0 4956 756 174832 804 12357 159306 3 4 63 30 0 0 11 1846104 1643532 0 0 4916 540 174320 580 10609 139960 3 4 64 29 0 0 4 1846084 1640272 0 2336 4080 524 140408 548 9331 118287 3 4 63 30 0 0 8 1846104 1642096 0 1488 2940 432 102516 457 7023 82230 2 4 65 29 0 0 5 1846104 1642268 0 1276 3704 452 126520 452 9494 119612 3 5 65 27 0 3 12 1846104 1641528 0 328 6092 608 187776 636 8269 113059 4 3 64 29 0 2 2 1846084 1640960 0 724 5948 0 111480 0 7751 116370 4 4 63 29 0 0 4 1846100 1641484 0 404 4144 1476 125760 1500 10668 105358 2 3 71 25 0 0 13 1846104 1641932 0 0 5872 828 153808 840 10518 128447 3 4 70 22 0 0 8 1846096 1639172 0 3164 3556 556 74884 580 5082 65362 2 2 73 23 0 1 4 1846080 1638676 0 396 4512 28 50928 44 2672 38277 2 2 80 16 0 0 3 1846080 1628808 0 7132 2636 0 28004 8 1358 14090 0 1 78 20 0 0 2 1844728 1618552 0 11140 7680 0 12740 8 763 2245 0 0 82 18 0 0 2 1837764 1532056 0 101504 2952 0 95644 24 802 3817 0 1 87 12 0 0 11 1842092 1633324 0 4416 1748 10900 143144 11024 6279 134442 3 3 70 24 0 2 6 1846104 1642756 0 0 4768 468 78752 468 4672 60141 2 2 76 20 0 1 12 1846104 1640792 0 236 4752 440 140712 464 7614 99593 3 5 58 34 0 0 3 1846084 1630368 0 6316 5104 0 20336 0 1703 22424 1 1 72 26 0 2 17 1846104 1638332 0 3168 4080 1720 211960 1744 11977 155886 3 4 65 28 0 1 10 1846104 1640800 0 132 4488 556 126016 584 8016 106368 3 4 63 29 0 0 14 1846104 1639740 0 2248 3436 428 114188 452 7030 92418 3 3 59 35 0 1 6 1846096 1639504 0 1932 5500 436 141412 460 8261 112210 4 4 63 29 0 0 10 1846104 1640164 0 3052 4028 448 147684 472 7366 109554 4 4 61 30 0 0 10 1846100 1641040 0 2332 4952 632 147452 664 8767 118384 3 4 63 30 0 4 8 1846084 1641092 0 664 4948 276 152264 292 6448 98813 5 5 62 28 0 Furthermore, the output of top sorted by CPU time seems to support the theory that swap is what's bogging down the system: top - 09:05:32 up 37 days, 23:24, 1 user, load average: 9.75, 8.24, 7.12 Tasks: 173 total, 1 running, 172 sleeping, 0 stopped, 0 zombie Cpu(s): 1.6%us, 1.4%sy, 0.0%ni, 76.1%id, 20.6%wa, 0.1%hi, 0.2%si, 0.0%st Mem: 4044632k total, 2405628k used, 1639004k free, 0k buffers Swap: 7812492k total, 1851852k used, 5960640k free, 436k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ TIME COMMAND 4174 root 17 0 63156 176 56 S 8 0.0 2138:52 35,38 bacula-fd 4185 root 17 0 63352 284 104 S 6 0.0 1709:25 28,29 bacula-sd 240 root 15 0 0 0 0 D 3 0.0 831:55.19 831:55 kswapd0 2852 root 10 -5 0 0 0 S 1 0.0 126:35.59 126:35 xfsbufd 2849 root 10 -5 0 0 0 S 0 0.0 119:50.94 119:50 xfsbufd 1364 root 10 -5 0 0 0 S 0 0.0 117:05.39 117:05 xfsbufd 21 root 10 -5 0 0 0 S 1 0.0 48:03.44 48:03 events/3 6940 postgres 16 0 43596 8 8 S 0 0.0 46:50.35 46:50 postmaster 1342 root 10 -5 0 0 0 S 0 0.0 23:14.34 23:14 xfsdatad/4 5415 root 17 0 1770m 108 48 S 0 0.0 15:03.74 15:03 bacula-dir 23 root 10 -5 0 0 0 S 0 0.0 13:09.71 13:09 events/5 5604 root 17 0 1216m 500 200 S 0 0.0 12:38.20 12:38 java 5552 root 16 0 1194m 580 248 S 0 0.0 11:58.00 11:58 java Here's the same sorted by virtual memory image size: top - 09:08:32 up 37 days, 23:27, 1 user, load average: 8.43, 8.26, 7.32 Tasks: 173 total, 1 running, 172 sleeping, 0 stopped, 0 zombie Cpu(s): 3.6%us, 3.4%sy, 0.0%ni, 62.2%id, 30.2%wa, 0.2%hi, 0.3%si, 0.0%st Mem: 4044632k total, 2404212k used, 1640420k free, 0k buffers Swap: 7812492k total, 1852548k used, 5959944k free, 100k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ TIME COMMAND 5415 root 17 0 1770m 56 44 S 0 0.0 15:03.78 15:03 bacula-dir 5604 root 17 0 1216m 492 200 S 0 0.0 12:38.30 12:38 java 5552 root 16 0 1194m 476 200 S 0 0.0 11:58.20 11:58 java 4598 root 16 0 117m 44 44 S 0 0.0 0:13.37 0:13 eventmond 9614 gdm 16 0 93188 0 0 S 0 0.0 0:00.30 0:00 gdmgreeter 5527 root 17 0 78716 0 0 S 0 0.0 0:00.30 0:00 gdm 4185 root 17 0 63352 284 104 S 20 0.0 1709:52 28,29 bacula-sd 4174 root 17 0 63156 208 88 S 24 0.0 2139:25 35,39 bacula-fd 10849 postgres 18 0 54740 216 108 D 0 0.0 0:31.40 0:31 postmaster 6661 postgres 17 0 49432 0 0 S 0 0.0 0:03.50 0:03 postmaster 5507 root 15 0 47980 0 0 S 0 0.0 0:00.00 0:00 gdm 6940 postgres 16 0 43596 16 16 S 0 0.0 46:51.39 46:51 postmaster 5304 postgres 16 0 40580 132 88 S 0 0.0 6:21.79 6:21 postmaster 5301 postgres 17 0 40448 24 24 S 0 0.0 0:32.17 0:32 postmaster 11280 root 16 0 40288 28 28 S 0 0.0 0:00.11 0:00 sshd 5534 root 17 0 37580 0 0 S 0 0.0 0:56.18 0:56 X 30870 root 30 15 31668 28 28 S 0 0.0 1:13.38 1:13 snmpd 5305 postgres 17 0 30628 16 16 S 0 0.0 0:11.60 0:11 postmaster 27403 postfix 17 0 30248 0 0 S 0 0.0 0:02.76 0:02 qmgr 10815 postfix 15 0 30208 16 16 S 0 0.0 0:00.02 0:00 pickup 5306 postgres 16 0 29760 20 20 S 0 0.0 0:52.89 0:52 postmaster 5302 postgres 17 0 29628 64 32 S 0 0.0 1:00.64 1:00 postmaster I've tried tuning the swappiness kernel parameter to both high and low values, but nothing appears to change the behavior here. I'm at a loss to figure out what's going on. How can I find out what's causing this? Update: The system is a fully 64-bit system, so there should be no question of memory limitations due to 32-bit issues. Update2: As I mentioned in the original question, I've already tried tuning swappiness to all sorts of values, including 0. The result is always the same, with approximately 1.6 GB of memory remaining unused. Update3: Added top output to the above info.

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• RHEL hangs after starting virt-who succesfully

  - by Nick

  Idea #1: Is there a way to REPAIR an RHEL 6.2 installation? During the start-up procedure, after a recent forced reboot, my Linux machine (RHEL 6.2) hangs right after successfully starting virt-who. I can use login screens (Alt + F2/F3...) in text mode. I am clueless -- how can I find out what is the next step in the startup sequence? That step is most likely what is causing it to hang. These are the last lines saved to /var/log/boot.log: Starting RPC idmapd: [60G[[0;32m OK [0;39m] Starting cups: [60G[[0;32m OK [0;39m] Starting acpi daemon: [60G[[0;32m OK [0;39m] Starting HAL daemon: [60G[[0;32m OK [0;39m] Starting PC/SC smart card daemon (pcscd): [60G[[0;32m OK [0;39m] Retrigger failed udev events[60G[[0;32m OK [0;39m] Loading autofs4: [60G[[0;32m OK [0;39m] Starting automount: [60G[[0;32m OK [0;39m] Enabling Bluetooth devices: Starting sshd: [60G[[0;32m OK [0;39m] Starting ntpd: [60G[[0;32m OK [0;39m] Starting mysqld: [60G[[0;32m OK [0;39m] Starting postfix: [60G[[0;32m OK [0;39m] Starting abrt daemon: [60G[[0;32m OK [0;39m] Starting ksm: [60G[[0;32m OK [0;39m] Starting ksmtuned: [60G[[0;32m OK [0;39m] Starting Qpid AMQP daemon: [60G[[0;32m OK [0;39m] Starting crond: [60G[[0;32m OK [0;39m] Starting atd: [60G[[0;32m OK [0;39m] Starting libvirtd daemon: [60G[[0;32m OK [0;39m] Starting rhsmcertd 240 1440[60G[[0;32m OK [0;39m] Starting virt-who: [60G[[0;32m OK [0;39m]

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• Clamav. WARNING: No clamd server appears to be available

  - by Jevgeni Smirnov

  I have clamav.log full of these messages, what might be the problem and how to fix this? I have Debian clamav-0.97.6+dfsg-1~squeeze1 spamassassin-3.3.1-1 dovecot-pop3d-1.2.15-7 postfix-2.7.1-1+squeeze1 and also there is somewhere near milter. LocalSocket setting is ok Tue Jun 4 07:43:34 2013 -> WARNING: No clamd server appears to be available Tue Jun 4 07:44:34 2013 -> WARNING: No clamd server appears to be available Tue Jun 4 07:45:34 2013 -> WARNING: No clamd server appears to be available Tue Jun 4 07:46:34 2013 -> WARNING: No clamd server appears to be available Tue Jun 4 07:47:34 2013 -> WARNING: No clamd server appears to be available Tue Jun 4 07:47:58 2013 -> ERROR: Failed to initiate streaming/fdpassing Tue Jun 4 07:47:58 2013 -> WARNING: No clamd server appears to be available Tue Jun 4 07:48:58 2013 -> WARNING: No clamd server appears to be available Tue Jun 4 07:49:33 2013 -> ERROR: Failed to initiate streaming/fdpassing Tue Jun 4 07:49:33 2013 -> WARNING: No clamd server appears to be available

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• stunnel not working - stunnel.pem: No such file or directory

  - by Marronsuisse

  I am trying to install stunnel on an amazon LINUX machine. (i want to configure postfix so that it sends its emails through amazon ses) I first tried to install from the tar.gz package download from http://www.stunnel.org and installed with the commands: ./configure make make install but than the stunnel command was still not found. Then I installed with yum install stunnel. But now when I try I get: sudo stunnel 2012.06.23 06:51:53 LOG7[20071:3078289200]: Snagged 64 random bytes from /root/.rnd 2012.06.23 06:51:53 LOG7[20071:3078289200]: Wrote 1024 new random bytes to /root/.rnd 2012.06.23 06:51:53 LOG7[20071:3078289200]: RAND_status claims sufficient entropy for the PRNG 2012.06.23 06:51:53 LOG7[20071:3078289200]: PRNG seeded successfully 2012.06.23 06:51:53 LOG3[20071:3078289200]: stunnel.pem: No such file or directory (2) So it seems there is still a problem with the install. When I use the locate stunnel command, I see files a bit everywhere. How can I do to have a clean install of stunnel? Edit: i was following this procedure: http://docs.amazonwebservices.com/ses/latest/DeveloperGuide/SMTP.MTAs.SecureTunnel.html when I got stuck at point 5 and got the stunnel.pem: No such file or directory message.

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• Verifying SMTP “MAIL FROM:” Matches “From:” Header in DATA

  - by dkovacevic

  Is there ever a legitimate reason for the SMTP “MAIL FROM:” field to not match the “From:” field in the DATA section of a message, besides mailing lists? From http://stackoverflow.com/questions/1750194/smtp-why-does-email-needs-envelope-and-what-does-the-envelope-mean: “But, to continue your snail mail metaphor, most professional letters will contain the sender's and recipient's addresses printed on the letter itself. Those addresses are not necessary for the postman, but are instead a courtesy to the recipient. So it's sensible that email would work the same way.” The problem with this line of logic lies here: “courtesy to the recipient”. Including the “From:” address in an email via SMTP is not a courtesy; it is required if the recipient is to be able to send a reply. From: How to limit the From header to match MAIL FROM in postfix?: “But if you really want to ensure From: and MAIL FROM then you have to apply header_checks so that Return-Path: matches From:” What are the implications of doing this? Mailing lists would obviously be a problem. Are there any other legitimate uses of differing “MAIL FROM:” and “From:” header information?

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• "Options ExecCGI is off in this directory" When try to run Ruby code using mod_ruby

  - by Itay Moav

  I am on Ubuntu, Apache 2.2 Installed the fcgi via apt-get then removed it via apt-get remove. Installed mod-ruby configuration I added to Apache: LoadModule ruby_module /usr/lib/apache2/modules/mod_ruby.so RubyRequire apache/ruby-run <Directory /var/www> Options +ExecCGI </Directory> <Files *.rb> SetHandler ruby-object RubyHandler Apache::RubyRun.instance </Files> <Files *.rbx> SetHandler ruby-object RubyHandler Apache::RubyRun.instance </Files> I have a file in the www direcoty with puts 'baba' I have other files in that directory, all accessible via Apache. Test file has been chmod 777 In the browser I get 403. In Apache error log I get: [error] access to /var/www/t.rb failed for (null), reason: Options ExecCGI is off in this directory If I move this to a sub folder rubytest and modify the relevant config to be: <Directory /var/www/rubytest> Options +ExecCGI </Directory> and making sure the directory has 755 permissions on it, it just try to download the file, as if it does not recognize the postfix *.rb any more If I give directory and files 777 it fails: usr/lib/ruby/1.8/apache/ruby-run.rb:53: warning: Insecure world writable dir /var/www/rubytest in LOAD_PATH, mode 040777 [Tue May 24 19:39:58 2011] [error] mod_ruby: error in ruby [Tue May 24 19:39:58 2011] [error] mod_ruby: /usr/lib/ruby/1.8/apache/ruby-run.rb:53:in load': loading from unsafe file /var/www/rubytest/t.rb (SecurityError) [Tue May 24 19:39:58 2011] [error] mod_ruby: from /usr/lib/ruby/1.8/apache/ruby-run.rb:53:in handler' BUT, IF I USE *.rbx it works like a charm...go figure.

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• Apache/Passenger and cpulimit

  - by Dave Smylie

  I run a ruby on rails site that processes email - the email is dumped directly into the web app via a POST from postfix. At times I can get a burst of email coming in causing a prolonged surge in CPU usage making my VPS provider understandable unhappy with me. These emails don't need to be processed in a timely manner - they just need to be (eventually) processed. Obviously I can't just nice the process as that only looks at the cpu usage on my VPS and can't take into account the cpu usage on the other VPS's. I have found a utility called cpulimit that will you put hard limits on cpu usage for a particular process. (eg 20%). This seems ideal for this purpose, but I can't work out to integrate with apache/passenger. Passenger starts up a ruby process for each server and restarts them periodically. Each time the pid will change. Cpulimit needs to be given a pid number for it to act on. Anyone got any ideas how I could get passenger to fire off a call this command when it's starting up this particular virtual host?

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• How to test email spam scores with amavis?

  - by CaptSaltyJack

  I'd like a way to test a spam message to see its spam scores that SpamAssassin gives it. The SA db files (bayes_toks, etc) reside in /var/lib/amavis/.spamassassin. I've been testing emails by doing this: sudo su amavis -c 'spamassassin -t msgfile' Though this yields some strange results, such as: Content analysis details: (3.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 3.5 BAYES_99 BODY: Bayes spam probability is 99 to 100% [score: 1.0000] -0.0 NO_RELAYS Informational: message was not relayed via SMTP 0.0 LONG_TERM_PRICE BODY: LONG_TERM_PRICE 0.2 BAYES_999 BODY: Bayes spam probability is 99.9 to 100% [score: 1.0000] -0.0 NO_RECEIVED Informational: message has no Received headers 0.2 is an awfully low scores for BAYES_999! But this is the first time I've used amavis, previously I've always just used spamassassin directly as a content filter in postfix, but apparently running amavis/spamassassin is more efficient. So, with amavis in the picture, how can I run a test on a message to see its spam score breakdown? Another email I ran a test on got this result: 2.0 BAYES_80 BODY: Bayes spam probability is 80 to 95% [score: 0.8487] Doesn't make sense, that BAYES_80 can yield a higher score than BAYES_999. Help!

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• Best Practical RT, sorting email into queues automatically using procmail

  - by user52095

  I'm trying to get incoming e-mail to automatically go directly into whichever queue/ticket they are related to or create a new one if none exist and the right queue e-mail setup in the web interface is used. I will have too many queues to have two line items within mailgate per queue. A similar issue was discussed here (http://serverfault.com/questions/104779/procmail-pipe-to-program-otherwise-return-error-to-sender), but I thought it best to open a new case instead of tagging on what appeared to be an answer to that person's query. I'm able to send and receive e-mail (via PostFix) to the default rt user and this user successfully accepts all e-mail for the relative domain. I have no idea where the e-mail goes - it's successfully delivered, but it does not update existing tickets (with a Subject line match) and it does not create any new. Here's and example of my ./procmail.log: procmail: [23048] Mon Aug 23 14:26:01 2010 procmail: Assigning "MAILDOMAIN=rt.mydomain.com " procmail: Assigning "RT_MAILGATE=/opt/rt3/bin/rt-mailgate " procmail: Assigning "RT_URL=http://rt.mydomain.com/ " procmail: Assigning "LOGABSTRACT=all " procmail: Skipped " " procmail: Skipped " " procmail: Assigning "LASTFOLDER={ " procmail: Opening "{ " procmail: Acquiring kernel-lock procmail: Notified comsat: "rt@18337:./{ " From [email protected] Mon Aug 23 14:26:01 2010 Subject: RE: [RT.mydomain.com #1] Test Ticket Folder: { 1616 Does the notified comsat portion mean that it notified RT? The contents of my ./procmailrc: #Preliminaries SHELL=/bin/sh #Use the Bourne shell (check your path!) #MAILDIR=${HOME} #First check what your mail directory is! MAILDIR="/var/mail/rt/" LOGFILE="home/rt//procmail.log" LOG="--- Logging ${LOGFILE} for ${LOGNAME}, " VERBOSE=yes MAILDOMAIN="rt.mydomain.com" RT_MAILGATE="/opt/rt3/bin/rt-mailgate" #RT_MAILGATE="/usr/local/bin/rt-mailgate" RT_URL="http://rt.mydomain.com/" LOGABSTRACT=all :0 { # the following line extracts the recipient from Received-headers. # Simply using the To: does not work, as tickets are often created # by sending a CC/BCC to RT TO=`formail -c -xReceived: |grep $MAILDOMAIN |sed -e 's/.*for *<*\(.*\)>* *;.*$/\1/'` QUEUE=`echo $TO| $HOME/get_queue.pl` ACTION=`echo $TO| $HOME/get_action.pl` :0 h b w |/usr/bin/perl $RT_MAILGATE --queue $QUEUE --action $ACTION --url $RT_URL } I know that my get_queue.pl and get_action.pl scripts work, as those have been previously tested. Any help and/or guidance you can give would be greatly appreciated. Nicôle

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• My email server is being blocked by Yahoo: TS03 Message permanently deferred.

  - by bilygates

  Hello, My mail server has been getting the following error from Yahoo's mail servers since about a month: postfix/smtp[23791]: host g.mx.mail.yahoo.com[98.137.54.238] refused to talk to me: 421 4.7.1 [TS03] All messages from [my ip] will be permanently deferred; Retrying will NOT succeed. See http:// postmaster.yahoo.com/421-ts03.html I have exchanged about 4 emails with Yahoo's support team. The first three seemed like automated messages, and the 4th told me that there is nothing they can do, but if I change my policies I can send them another email in 6 months. They also told me: However, based on the information you have provided us, we cannot systematically deliver your email to the Inbox at this time. We suggest that you ask your users to set up a filter in Yahoo! Mail to ensure that they get your email messages in their Inbox. The problem is that my email doesn't even get to their Spam folder. The server won't allow any connections. I have never sent spam messages, not even newsletters. I only send emails for my new users so they can activate their account. I've also implemented DKIM and told Yahoo about this. I have checked my configuration with http://www.myiptest.com/staticpages/index.php/DomainKeys-DKIM-SPF-Validator-test and it reports that both SPF and DKIM are set up correctly. What should I do? Basically, I'm losing new users every day. Any help will be appreciated. P.S.: I apologize if this particular question has already been asked. I searched for it but didn't find it.

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• How to stop Cron from sending messages about errors

  - by Beck

  I have this strange mails comming from cron: Return-Path: <[email protected]> Delivered-To: [email protected] Received: by domain.com (Postfix, from userid 0) id 6F944264D0; Mon, 10 Jan 2011 10:35:01 +0000 (UTC) From: [email protected] (Cron Daemon) To: [email protected] Subject: Cron <root@domain> lynx -dump http://www.domain.com/cron/realqueue Content-Type: text/plain; charset=ANSI_X3.4-1968 X-Cron-Env: <SHELL=/bin/sh> X-Cron-Env: <PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin> X-Cron-Env: <HOME=/root> X-Cron-Env: <LOGNAME=root> Message-Id: <[email protected]> Date: Mon, 10 Jan 2011 10:35:01 +0000 (UTC) /bin/sh: lynx: not found I have this cron settings in crontab file: SHELL=/bin/sh PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin */5 * * * * lynx -dump http://www.domain.com/cron/realqueue 17 * * * * root cd / && run-parts --report /etc/cron.hourly 25 6 * * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily ) 47 6 * * 7 root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly ) 52 6 1 * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly ) Lynx is installed on my Ubuntu as well. Ofc in place of domain.com is my domain, just replaced. Thanks ;)

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• Kernel Logging disabled?

  - by Tiffany Walker

  uname -a Linux host 2.6.32-279.9.1.el6.i686 #1 SMP Tue Sep 25 20:26:47 UTC 2012 i686 i686 i386 GNU/Linux And start ups: ls /etc/init.d/ abrt-ccpp certmonger dovecot irqbalance matahari-broker mdmonitor nfs proftpd rpcbind single ypbind abrtd cgconfig functions kdump matahari-host messagebus nfslock psacct rpcgssd smartd abrt-oops cgred haldaemon killall matahari-network mysqld ntpd qpidd rpcidmapd sshd acpid cpuspeed halt ktune matahari-rpc named ntpdate quota_nld rpcsvcgssd sssd atd crond httpd lfd ma tahari-service netconsole oddjobd rdisc rsyslog sysstat auditd csf ip6tables lvm2-lvmetad matahari-sysconfig netfs portreserve restorecond sandbox tuned autofs cups iptables lvm2-monitor matahari-sysconfig-console network postfix rngd saslauthd udev-post But when I installed CSF/LFD I am getting nothing. LFD does not create lfd.log and nor are any blocks being logged in /var/log/messages either from the firewall. This is not natural. I looked for klogd but maybe I am looking in the wrong place for it to see if it is enabled? ls /etc/init.d/syslog ls: cannot access /etc/init.d/syslog: No such file or directory Also noticed no syslog? Also noticed this: csf -d 84.113.21.201 Adding 84.113.21.201 to csf.deny and iptables DROP... iptables: No chain/target/match by that name. iptables: No chain/target/match by that name. I've never seen this before and this is a dedicated box. Also: ./csftest.pl Testing ip_tables/iptable_filter...OK Testing ipt_LOG...OK Testing ipt_multiport/xt_multiport...OK Testing ipt_REJECT...OK Testing ipt_state/xt_state...OK Testing ipt_limit/xt_limit...OK Testing ipt_recent...OK Testing xt_connlimit...OK Testing ipt_owner/xt_owner...OK Testing iptable_nat/ipt_REDIRECT...OK Testing iptable_nat/ipt_DNAT...OK RESULT: csf should function on this server iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination

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• CentOS 6 LEMP update - dependency error issue

  - by Latheesan Kanes

  I have setup a LEMP server following the guide Install Nginx/PHP-FPM on Fedora 20/19, CentOS/RHEL 6.5/5.10. It's been a while since I did the setup, so I wanted to grab the latest updates from REMI repository. I ran the following command: yum --enablerepo=remi,remi-php55 update I now get these dependency related errors: # yum --enablerepo=remi update Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.nl.leaseweb.net * epel: mirror.1000mbps.com * extras: mirror.nl.leaseweb.net * remi: remi.schlundtech.de * updates: centos.mirror1.spango.com Setting up Update Process Resolving Dependencies --> Running transaction check ---> Package chkconfig.x86_64 0:1.3.49.3-2.el6 will be updated ---> Package chkconfig.x86_64 0:1.3.49.3-2.el6_4.1 will be an update ---> Package glibc.x86_64 0:2.12-1.107.el6_4.4 will be updated ---> Package glibc.x86_64 0:2.12-1.107.el6_4.5 will be an update ---> Package glibc-common.x86_64 0:2.12-1.107.el6_4.4 will be updated ---> Package glibc-common.x86_64 0:2.12-1.107.el6_4.5 will be an update ---> Package gnupg2.x86_64 0:2.0.14-4.el6 will be updated ---> Package gnupg2.x86_64 0:2.0.14-6.el6_4 will be an update ---> Package iputils.x86_64 0:20071127-17.el6_4 will be updated ---> Package iputils.x86_64 0:20071127-17.el6_4.2 will be an update ---> Package kernel.x86_64 0:2.6.32-358.23.2.el6 will be installed ---> Package kernel-firmware.noarch 0:2.6.32-358.18.1.el6 will be updated ---> Package kernel-firmware.noarch 0:2.6.32-358.23.2.el6 will be an update ---> Package libgcrypt.x86_64 0:1.4.5-9.el6_2.2 will be updated ---> Package libgcrypt.x86_64 0:1.4.5-11.el6_4 will be an update ---> Package mysql-libs.x86_64 0:5.1.69-1.el6_4 will be updated --> Processing Dependency: libmysqlclient.so.16()(64bit) for package: 2:postfix-2.6.6-2.2.el6_1.x86_64 --> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16)(64bit) for package: 2:postfix-2.6.6-2.2.el6_1.x86_64 ---> Package mysql-libs.x86_64 0:5.5.34-1.el6.remi will be an update ---> Package nginx.x86_64 0:1.4.2-1.el6.ngx will be updated ---> Package nginx.x86_64 0:1.4.3-1.el6.ngx will be an update ---> Package php-pear.noarch 1:1.9.4-20.el6.remi will be updated ---> Package php-pear.noarch 1:1.9.4-23.el6.remi will be an update ---> Package php-pecl-jsonc.x86_64 0:1.3.2-1.el6.remi.1 will be updated ---> Package php-pecl-jsonc.x86_64 0:1.3.2-2.el6.remi will be an update --> Processing Dependency: php(zend-abi) = 20100525-x86-64 for package: php-pecl-jsonc-1.3.2-2.el6.remi.x86_64 --> Processing Dependency: php(api) = 20100412-x86-64 for package: php-pecl-jsonc-1.3.2-2.el6.remi.x86_64 ---> Package php-pecl-mongo.x86_64 0:1.4.3-1.el6.remi.1 will be updated ---> Package php-pecl-mongo.x86_64 0:1.4.4-1.el6.remi will be an update --> Processing Dependency: php(zend-abi) = 20100525-x86-64 for package: php-pecl-mongo-1.4.4-1.el6.remi.x86_64 --> Processing Dependency: php(api) = 20100412-x86-64 for package: php-pecl-mongo-1.4.4-1.el6.remi.x86_64 ---> Package php-pecl-sqlite.x86_64 0:2.0.0-0.3.svn313074.el6.remi.5 will be updated ---> Package php-pecl-sqlite.x86_64 0:2.0.0-0.4.svn332053.el6.remi.5.4 will be an update --> Processing Dependency: php(zend-abi) = 20100525-x86-64 for package: php-pecl-sqlite-2.0.0-0.4.svn332053.el6.remi.5.4.x86_64 --> Processing Dependency: php(api) = 20100412-x86-64 for package: php-pecl-sqlite-2.0.0-0.4.svn332053.el6.remi.5.4.x86_64 ---> Package postgresql-libs.x86_64 0:8.4.13-1.el6_3 will be updated ---> Package postgresql-libs.x86_64 0:8.4.18-1.el6_4 will be an update ---> Package remi-release.noarch 0:6-2.el6.remi will be updated ---> Package remi-release.noarch 0:6.4-1.el6.remi will be an update ---> Package rsync.x86_64 0:3.0.6-9.el6 will be updated ---> Package rsync.x86_64 0:3.0.6-9.el6_4.1 will be an update ---> Package selinux-policy.noarch 0:3.7.19-195.el6_4.12 will be updated ---> Package selinux-policy.noarch 0:3.7.19-195.el6_4.18 will be an update ---> Package selinux-policy-targeted.noarch 0:3.7.19-195.el6_4.12 will be updated ---> Package selinux-policy-targeted.noarch 0:3.7.19-195.el6_4.18 will be an update ---> Package setup.noarch 0:2.8.14-20.el6 will be updated ---> Package setup.noarch 0:2.8.14-20.el6_4.1 will be an update ---> Package tzdata.noarch 0:2013c-2.el6 will be updated ---> Package tzdata.noarch 0:2013g-1.el6 will be an update ---> Package xinetd.x86_64 2:2.3.14-38.el6 will be updated ---> Package xinetd.x86_64 2:2.3.14-39.el6_4 will be an update --> Running transaction check ---> Package compat-mysql51.x86_64 0:5.1.54-1.el6.remi will be installed ---> Package php-pecl-jsonc.x86_64 0:1.3.2-2.el6.remi will be an update --> Processing Dependency: php(zend-abi) = 20100525-x86-64 for package: php-pecl-jsonc-1.3.2-2.el6.remi.x86_64 --> Processing Dependency: php(api) = 20100412-x86-64 for package: php-pecl-jsonc-1.3.2-2.el6.remi.x86_64 ---> Package php-pecl-mongo.x86_64 0:1.4.4-1.el6.remi will be an update --> Processing Dependency: php(zend-abi) = 20100525-x86-64 for package: php-pecl-mongo-1.4.4-1.el6.remi.x86_64 --> Processing Dependency: php(api) = 20100412-x86-64 for package: php-pecl-mongo-1.4.4-1.el6.remi.x86_64 ---> Package php-pecl-sqlite.x86_64 0:2.0.0-0.4.svn332053.el6.remi.5.4 will be an update --> Processing Dependency: php(zend-abi) = 20100525-x86-64 for package: php-pecl-sqlite-2.0.0-0.4.svn332053.el6.remi.5.4.x86_64 --> Processing Dependency: php(api) = 20100412-x86-64 for package: php-pecl-sqlite-2.0.0-0.4.svn332053.el6.remi.5.4.x86_64 --> Finished Dependency Resolution Error: Package: php-pecl-jsonc-1.3.2-2.el6.remi.x86_64 (remi) Requires: php(zend-abi) = 20100525-x86-64 Installed: php-common-5.5.4-1.el6.remi.x86_64 (@remi-test) php(zend-abi) = 20121212-64 Available: php-common-5.3.3-22.el6.x86_64 (base) php(zend-abi) = 20090626 Available: php-common-5.3.3-23.el6_4.x86_64 (updates) php(zend-abi) = 20090626 Available: php-common-5.4.21-1.el6.remi.x86_64 (remi) php(zend-abi) = 20100525-x86-64 Available: php-common-5.4.21-2.el6.remi.x86_64 (remi) php(zend-abi) = 20100525-x86-64 Error: Package: php-pecl-mongo-1.4.4-1.el6.remi.x86_64 (remi) Requires: php(zend-abi) = 20100525-x86-64 Installed: php-common-5.5.4-1.el6.remi.x86_64 (@remi-test) php(zend-abi) = 20121212-64 Available: php-common-5.3.3-22.el6.x86_64 (base) php(zend-abi) = 20090626 Available: php-common-5.3.3-23.el6_4.x86_64 (updates) php(zend-abi) = 20090626 Available: php-common-5.4.21-1.el6.remi.x86_64 (remi) php(zend-abi) = 20100525-x86-64 Available: php-common-5.4.21-2.el6.remi.x86_64 (remi) php(zend-abi) = 20100525-x86-64 Error: Package: php-pecl-jsonc-1.3.2-2.el6.remi.x86_64 (remi) Requires: php(api) = 20100412-x86-64 Installed: php-common-5.5.4-1.el6.remi.x86_64 (@remi-test) php(api) = 20121113-64 Available: php-common-5.3.3-22.el6.x86_64 (base) php(api) = 20090626 Available: php-common-5.3.3-23.el6_4.x86_64 (updates) php(api) = 20090626 Available: php-common-5.4.21-1.el6.remi.x86_64 (remi) php(api) = 20100412-x86-64 Available: php-common-5.4.21-2.el6.remi.x86_64 (remi) php(api) = 20100412-x86-64 Error: Package: php-pecl-sqlite-2.0.0-0.4.svn332053.el6.remi.5.4.x86_64 (remi) Requires: php(zend-abi) = 20100525-x86-64 Installed: php-common-5.5.4-1.el6.remi.x86_64 (@remi-test) php(zend-abi) = 20121212-64 Available: php-common-5.3.3-22.el6.x86_64 (base) php(zend-abi) = 20090626 Available: php-common-5.3.3-23.el6_4.x86_64 (updates) php(zend-abi) = 20090626 Available: php-common-5.4.21-1.el6.remi.x86_64 (remi) php(zend-abi) = 20100525-x86-64 Available: php-common-5.4.21-2.el6.remi.x86_64 (remi) php(zend-abi) = 20100525-x86-64 Error: Package: php-pecl-mongo-1.4.4-1.el6.remi.x86_64 (remi) Requires: php(api) = 20100412-x86-64 Installed: php-common-5.5.4-1.el6.remi.x86_64 (@remi-test) php(api) = 20121113-64 Available: php-common-5.3.3-22.el6.x86_64 (base) php(api) = 20090626 Available: php-common-5.3.3-23.el6_4.x86_64 (updates) php(api) = 20090626 Available: php-common-5.4.21-1.el6.remi.x86_64 (remi) php(api) = 20100412-x86-64 Available: php-common-5.4.21-2.el6.remi.x86_64 (remi) php(api) = 20100412-x86-64 Error: Package: php-pecl-sqlite-2.0.0-0.4.svn332053.el6.remi.5.4.x86_64 (remi) Requires: php(api) = 20100412-x86-64 Installed: php-common-5.5.4-1.el6.remi.x86_64 (@remi-test) php(api) = 20121113-64 Available: php-common-5.3.3-22.el6.x86_64 (base) php(api) = 20090626 Available: php-common-5.3.3-23.el6_4.x86_64 (updates) php(api) = 20090626 Available: php-common-5.4.21-1.el6.remi.x86_64 (remi) php(api) = 20100412-x86-64 Available: php-common-5.4.21-2.el6.remi.x86_64 (remi) php(api) = 20100412-x86-64 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest Any idea how to solve these errors? Am I missing a package? or is this a bug?

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• Fully FOSS EMail solution

  - by Ravi

  I am looking at various FOSS options to build a robust EMail solution for a government funded university. Commercial options are to be chosen only in the worst case scenario. Here are the requirements: Approx 1000-1500 users - Postfix or Exim? (Sendmail is out;-)) Mailing lists for different groups/Need web based archive - Mailman? Sympa? Centralised identity store - OpenLDAP? Fedora 389DS? Secure IMAP only - no POP3 required - Courier? Dovecot? Cyrus?? Anti Spam - SpamAssasin? what else? Calendaring - ?? webmail - good to have, not mandatory - needs to be very secure...so squirrelmail is out;-)? Other questions: What mailbox storage format to use? where to store? database/file system? Simple and effective HA options? Is there a web proxy equivalent to squid in the mail server world? software load balancers?CARP? Monitoring and alert? Backup? The govt wants to stimulate the local economy by buying hardware locally from whitebox vendors. Also local consultants and university students will do the integration. We looked at out-of-the-box integrated solutions like Axigen, Zimbra and GMail but each was ruled out in favour of a DIY approach in the hopes of full control over the data and avoiding vendor lockin - which i though was a smart thing to do. I wish more provincial governments in the developing world think of these sort of initiatives As for OS - Debian, FreeBSD would be first preference. Commercial OS's need not apply. CentOS as second tier option...

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• x86_64 and memory issues

  - by Valery

  Recently I've switched from ubuntu 32bit to 64bit version. And now I experiencing some problems. All application take twice more memory. And some application takes even more. For example sshd on new server: root 6608 0.0 0.0 67972 2912 ? Ss 14:43 0:00 sshd: deploy [priv] deploy 6616 0.0 0.0 67972 1724 ? S 14:43 0:00 sshd: deploy@pts/4 root 20892 0.0 0.0 50916 1160 ? Ss 15:53 0:00 /usr/sbin/sshd root 21170 0.0 0.0 67972 2912 ? Ss 15:56 0:00 sshd: deploy [priv] deploy 21173 0.0 0.0 67972 1728 ? S 15:56 0:00 sshd: deploy@pts/0 root 23802 0.0 0.0 67972 2912 ? Ss 16:08 0:00 sshd: deploy [priv] deploy 23804 0.0 0.0 67972 1724 ? S 16:08 0:00 sshd: deploy@pts/1 root 24570 0.0 0.0 67972 2908 ? Ss 12:45 0:00 sshd: deploy [priv] deploy 24573 0.0 0.0 68112 1804 ? S 12:45 0:00 sshd: deploy@pts/3 deploy 25014 0.0 0.0 5168 852 pts/0 S+ 16:13 0:00 grep ssh the same on the old server: root 4867 0.0 0.0 5312 1028 ? Ss Mar23 0:00 /usr/sbin/sshd root 23753 0.0 0.0 8052 2556 ? Ss 16:15 0:00 sshd: deploy [priv] deploy 23755 0.0 0.0 8052 1524 ? S 16:15 0:00 sshd: deploy@pts/0 deploy 23770 0.0 0.0 3004 748 pts/0 D+ 16:15 0:00 grep ssh The same problems with postfix, nginx and some other application.

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• Centos 5.xx Nagios sSMTP mail cannot be sent from nagios server, but works great from console

  - by adam

  I spent last 3 hours of reasearch on how to get nagios to work with email notifications, i need to send emails form work where the only accesible smtp server is the company's one. i managed to get it done from the console using: mail [email protected] working perfectly for the purpouse i set up ssmtp.conf so as: [email protected] mailhub=smtp.company.com:587 [email protected] AuthPass=mypassword FromLineOverride=YES useSTARTTLS=YES rewriteDomain=company.pl hostname=nagios UseTLS=YES i also edited the file /etc/ssmtp/revaliases so as: root:[email protected]:smtp.company.com:587 nagios:[email protected]:smtp.company.com:587 nagiosadmin:[email protected]:smtp.company.com:587 i also edited the file permisions for /etc/ssmtp/* so as: -rwxrwxrwx 1 root nagios 371 lis 22 15:27 /etc/ssmtp/revaliases -rwxrwxrwx 1 root nagios 1569 lis 22 17:36 /etc/ssmtp/ssmtp.conf and i assigned to proper groups i belive: cat /etc/group |grep nagios mail:x:12:mail,postfix,nagios mailnull:x:47:nagios nagios:x:2106:nagios nagcmd:x:2107:nagios when i send mail manualy, i recieve it on my priv box, but when i send mail from nagios the mail log says: Nov 22 17:47:03 certa-vm2 sSMTP[9099]: MAIL FROM:<[email protected]> Nov 22 17:47:03 certa-vm2 sSMTP[9099]: 550 You are not allowed to send mail from this address it says [email protected] and im not allowed to send mails claiming to be [email protected], its suppoused to be [email protected], what am i doing wrong? i ran out of tricks... kind regards Adam xxxx

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• Fail2Ban adds iptable rules but they are not working?

  - by EApubs

  Fail2Ban just blocked my IP for 3 SSH attempts. It added the iptables rule and I can see it using the "sudo iptables -L -n" command. But I can still access the site and login through SSH! What might be the problem? Is it because im using CloudFlare? I have set Nginx to write the real IPs to the access logs instead of the Cloud Flare IP. Isn't it enough? Chain fail2ban-ssh (1 references) target prot opt source destination DROP all -- 119.235.14.8 0.0.0.0/0 RETURN all -- 0.0.0.0/0 0.0.0.0/0 The input chain : Chain INPUT (policy DROP) target prot opt source destination fail2ban-NoAuthFailures tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 fail2ban-nginx-dos tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 80,8090 fail2ban-postfix tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 25,465 fail2ban-ssh-ddos tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 22 fail2ban-ssh tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 22 ufw-before-logging-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-before-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-after-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-after-logging-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-reject-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-track-input all -- 0.0.0.0/0 0.0.0.0/0 LOG all -- 0.0.0.0/0 0.0.0.0/0 LOG flags 0 level 4

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• "Delivered-To" Header in Exchange

  - by Kaii

  In some SMTP server implementations (i.e. Postfix) you can enable Delivered-To and X-Original-To headers that will be added to your email. (or [X-]Envelope-To) This is very helpful with distribution lists to determine which e-mail address the mail has been redirected to. So, when the mail has been sent to [email protected], you can see in the Delivered-To or Envelope-To header that it has been redirected (distributed) to [email protected], which is one of many other e-mail addresses that are linked to a single mailbox. How do I find which address was used to deliver this mail to a specific mailbox on Microsoft Exchange 2010? Looking at the plain message (with all headers) i can not find any information that the mail arrived via address [email protected] I think I need the Delivered-To header (or a similar one) to be set on Microsoft Exchange when a mail is delivered via distribution lists. Is there any way to enable such header in Exchange 2010? I need it so that our Ticket system (OTRS) correctly recognizes where the ticket belongs to. Adding all the e-mail addresses of all distribution lists to the system configuration is not the right solution. And if there is a solution for Exchange 2010, is this possibly also applicable to Exchange 2007?

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