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  • Difference between `curl -I` and `curl -X HEAD`

    - by chmeee
    I was wathcing the funny server type from http://www.reddit.com with curl -I http://www.reddit.com when I guessed that curl -X HEAD http://www.reddit.com would do the same. But, in fact, it doesn't. I'm curious about why. This is what I observe running the two commands: curl -I: works as expected, outputs the header and exists. curl -X HEAD: does not show anything and seems to wait for user input. But, sniffing with tshark I see the second command actually sends the same HTML query and receives the correct answer, but it does not show it and it doesn't close the connection. curl -I 0.000000 333.33.33.33 -> 213.248.111.106 TCP 59675 > http [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=47267342 TSER=0 WS=6 0.045392 213.248.111.106 -> 333.33.33.33 TCP http > 59675 [SYN, ACK] Seq=0 Ack=1 Win=5792 Len=0 MSS=1460 TSV=2552532839 TSER=47267342 WS=1 0.045441 333.33.33.33 -> 213.248.111.106 TCP 59675 > http [ACK] Seq=1 Ack=1 Win=5888 Len=0 TSV=47267353 TSER=2552532839 0.045623 333.33.33.33 -> 213.248.111.106 HTTP HEAD / HTTP/1.1 0.091665 213.248.111.106 -> 333.33.33.33 TCP http > 59675 [ACK] Seq=1 Ack=155 Win=6432 Len=0 TSV=2552532886 TSER=47267353 0.861782 213.248.111.106 -> 333.33.33.33 HTTP HTTP/1.1 200 OK 0.861830 333.33.33.33 -> 213.248.111.106 TCP 59675 > http [ACK] Seq=155 Ack=321 Win=6912 Len=0 TSV=47267557 TSER=2552533656 0.862127 333.33.33.33 -> 213.248.111.106 TCP 59675 > http [FIN, ACK] Seq=155 Ack=321 Win=6912 Len=0 TSV=47267557 TSER=2552533656 0.910810 213.248.111.106 -> 333.33.33.33 TCP http > 59675 [FIN, ACK] Seq=321 Ack=156 Win=6432 Len=0 TSV=2552533705 TSER=47267557 0.910880 333.33.33.33 -> 213.248.111.106 TCP 59675 > http [ACK] Seq=156 Ack=322 Win=6912 Len=0 TSV=47267570 TSER=2552533705 curl -X HEAD 34.106389 333.33.33.33 -> 213.248.111.90 TCP 51690 > http [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=47275868 TSER=0 WS=6 34.149507 213.248.111.90 -> 333.33.33.33 TCP http > 51690 [SYN, ACK] Seq=0 Ack=1 Win=5792 Len=0 MSS=1460 TSV=3920268348 TSER=47275868 WS=1 34.149560 333.33.33.33 -> 213.248.111.90 TCP 51690 > http [ACK] Seq=1 Ack=1 Win=5888 Len=0 TSV=47275879 TSER=3920268348 34.149646 333.33.33.33 -> 213.248.111.90 HTTP HEAD / HTTP/1.1 34.191484 213.248.111.90 -> 333.33.33.33 TCP http > 51690 [ACK] Seq=1 Ack=155 Win=6432 Len=0 TSV=3920268390 TSER=47275879 34.192657 213.248.111.90 -> 333.33.33.33 TCP [TCP Dup ACK 15#1] http > 51690 [ACK] Seq=1 Ack=155 Win=6432 Len=0 TSV=3920268390 TSER=47275879 34.823399 213.248.111.90 -> 333.33.33.33 HTTP HTTP/1.1 200 OK 34.823453 333.33.33.33 -> 213.248.111.90 TCP 51690 > http [ACK] Seq=155 Ack=321 Win=6912 Len=0 TSV=47276048 TSER=3920269022 Any idea about why this difference in behaviour?

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  • How to set per user mail quota for postfix using policyd v2?

    - by ACHAL
    I have configured cluebringer 2.0.7 mysql httpd and all services are running well . But now i want to set per user mail quota for outgoing mails and want to restrict for a fix number of mail. I have tried to setup a quota for my host r10.4reseller.org but not working Quota List Policy:- Default Outbound Name:-Default Outbound Track:-Sender:user@domain Period:-60 verdict:-REJECT Data:- Disabled:- no Quota Limits Type:- MessageCount Counter Limit:- 1 Disabled:-no Do I need to do anymore settings for quota ?

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  • Can a Barracuda Spam Filter 300 reject mail based on DNS?

    - by user84104
    Can a Barracuda SF 300 reject mail based on DNS? Specifically can it respond with a 4XX code for mail claiming to be from a domain without a valid MX or A record (similar to postfix's smtpd_sender_restrictions = reject_unknown_sender_domain). If so, how do I set it? (I realize it's probably something simple I've overlooked.) The barracuda can resolve using its configured name servers. The name servers can correctly resolve external domains.

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  • Does mailx send mail using an SMTP relay or does it directly connect to the target SMTP server?

    - by iamrohitbanga
    Suppose i send a mail using the following the following command: mailx [email protected] then does mailx first try to find out the SMTP server of my ISP for relaying the mail or does it connect directly. Does it depend on whether my PC has a public IP address or it is behind a NAT. How do I check the settings of mailx on my PC? How can I verify this using tcpdump?

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  • How do I prevent mail from my Exchange server from being blocked?

    - by Mike C
    Recently one of our client machines was infected with a virus and I believe was spamming addresses in the user's contact list. Since then our server has been appearing on blacklists and it has been causing our e-mail to be blocked and returned by many clients. The virus has since been cleared, what can I do to get our server off these blacklists so that we will have more reliable e-mail service? Will I have to change my IP address? Thanks, Mike

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  • Ping issues with Windows Server 2008 R2 with mail server!

    - by S. M.
    For some reason I can ping all servers in my network except for the mail server and the mail server can ping all servers except the windows server 2008 R2. The firewall has been disabled and still it doesn't respond. The weird part is that every once in a while it will all of a sudden start allowing pings and then just as suddenly stop allowing pings. I've made sure there's no type-o's in the ip address or subnet mask or gateway. Any other ideas?

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  • Is there a webmail client which can handle mutiple mail accounts ?

    - by Tanmoy
    Hi, Everyone here must be aware of mail clients which can handle multiple email accounts simultaneously(eg. Thunderbird or Outlook). These are desktop clients which should my installed on the clients computer.Suppose i don't have harddisk, now how will i access my multiple mail accounts on web using a single application ? Thanks in advance, Tanmoy

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  • 220 **** smtp banner while telnet mail server on a Windows XP , hmail server linksys WRT120 n router

    - by panindra
    we have setup server ,mail server using HMail server and oyr RDNS / PTr is also solved but when do smtp test from mxtoolbox.com we are getting 220 *** kind of message. our server configuration : OS : windows XP Mail Server : Hmail Server IP : Staic IP Router : Cisco LInksys WRT12N is this some thing related to router or what .. becouse if telnet the smtp in the same PC where hmailerver installed we are getting 220 domain.com as message . which is fine for us but when test fromoutside the rotuer we are getting 220 * how to fix this

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  • JavaMail: Could not connect to SMPT server.

    - by javacode
    Hi The following code causes an error. Please help me understand what's wrong. import javax.mail.*; import javax.mail.internet.*; import java.util.*; public class SendMail { public static void main(String [] args)throws MessagingException { SendMail sm=new SendMail(); sm.postMail(new String[]{"[email protected]"},"hi","hello","[email protected]"); } public void postMail( String recipients[ ], String subject, String message , String from) throws MessagingException { boolean debug = false; //Set the host smtp address Properties props = new Properties(); props.put("mail.smtp.host", "webmail.emailmyname.com"); // create some properties and get the default Session Session session = Session.getDefaultInstance(props, null); session.setDebug(debug); // create a message Message msg = new MimeMessage(session); // set the from and to address InternetAddress addressFrom = new InternetAddress(from); msg.setFrom(addressFrom); InternetAddress[] addressTo = new InternetAddress[recipients.length]; for (int i = 0; i < recipients.length; i++) { addressTo[i] = new InternetAddress(recipients[i]); } msg.setRecipients(Message.RecipientType.TO, addressTo); // Optional : You can also set your custom headers in the Email if you Want msg.addHeader("MyHeaderName", "myHeaderValue"); // Setting the Subject and Content Type msg.setSubject(subject); msg.setContent(message, "text/plain"); Transport.send(msg); } } Exception: Exception in thread "main" javax.mail.MessagingException: Could not connect to SMTP host: webmail.emailmyname.com, port: 25, response: 421 at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1694) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:525) at javax.mail.Service.connect(Service.java:291) at javax.mail.Service.connect(Service.java:172) at javax.mail.Service.connect(Service.java:121) at javax.mail.Transport.send0(Transport.java:190) at javax.mail.Transport.send(Transport.java:120) at SendMail.postMail(SendMail.java:45) at SendMail.main(SendMail.java:9)

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  • Bad idea to display mail server info in public github project?

    - by kentcdodds
    I have the project for work that requires me to send e-mails to people using our work mail server. The server doesn't require authentication. Part of my project is using a Java-Helper I'm developing on GitHub. I don't know if I completely understand how it all works, but I'm guessing it would be a bad idea to have the server information available on GitHub for the world to see. Is this correct? After thought: I'm not going to put it in the Java-Helper because that wouldn't be helpful for anyone but me. but I'm still curious to know the answer to this question :) Thanks!

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  • Database Mail and SMO are indeed supported on 64-bit, Standard Edition instances of SQL Server 2012

    - by Argenis
      This is something that comes up rather regularly at forums, so I decided to create a quick post to make sure that folks out there can feel better about SQL Server 2012. If you read this Web article, “Features Supported By Editions of SQL Server 2012” as of time of writing this post, you will see that the article points out that these two features are not supported on x64 Standard Edition. This is NOT correct. It is most definitely a documentation bug – one that unfortunately has caused some customers to sit on a waiting pattern before upgrading to SQL Server 2012. Database Mail and SMO indeed work and are fully supported on SQL Server 2012 Standard Edition x64 instances. These features work as they should. I have contacted the documentation teams internally to make sure that this is reflected on next releases of said Web article.

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  • Is there a way to forward emails associated with a domain without a mail server?

    - by MeltingDog
    A client owns example1.com but wants to also purchase example2.com and have it point to their original site at example1.com. No problem there. But they also want any emails going to example2.com to be forwarded to their counter parts at example1.com Eg: if someone emails [email protected] it will be forwarded to [email protected] They only way I can think of doing this at the moment is to set up host for example2.com and then set up mail forwarders in cpanel. But this seems a bit excessive and costly. Does anyone know another, cheaper way of doing this?

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  • Web SMTP Server(foo.com) will not send mail to exchange server which is also(foo.com)

    - by Atom
    I think I understand this problem fully, but I do not know how to approach it or where to go in terms of troubleshooting. I've got my one domain http://foo.com that runs a Zen Cart installation that needs to be able to send emails to users(order confirmation, password reset). This works fine to send to any other domain BUT foo.com. I'm running a locally hosted exchange server that is foo.com, and we can send and receive email just fine. If I run tail -f /usr/local/psa/var/log/maillog I recieve this error: Apr 1 10:08:51 foo qmail-local-handlers[25824]: Handlers Filter before-local for qmail started ... Apr 1 10:08:51 foo qmail-local-handlers[25824]: from= Apr 1 10:08:51 foo qmail-local-handlers[25824]: [email protected] Apr 1 10:08:51 foo qmail-local-handlers[25824]: cannot reinject message to '[email protected]' Apr 1 10:08:51 foo qmail: 1270141731.583139 delivery 32410: failure: This_address_no_longer_accepts_mail./ Apr 1 10:08:51 foo qmail: 1270141731.584098 status: local 0/10 remote 0/20 I understand that the foo.com SMTP service doesn't have any account but the one that is used to authenticate mail being sent, so of course, I understand why it's saying 'this address no longer accepts mail'. My question is, how can I get the foo.com(web) SMTP service to handle emails meant for my exchange server([email protected]) or how do I handle the mail that needs to be sent to our exchange server? Is this something to do with MX records? Thanks in advance A

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  • Help: Setup Outgoing Mail Server Only for Multiple Domains Using Postfix?

    - by user57697
    I want an outgoing mail server ONLY for multiple domains. I plan to use Postfix as that seems to be the easiest to setup being very new to Ubuntu/Linux. The setup I plan to have are as follows: I want to use virtual domain with postfix i.e. my multiple websites must be able to send an email from each their respective domains i.e. [email protected] is sent from my domain1.com website and [email protected] is sent from domain2.com website This is an outgoing mail server only i.e. I don't want any returned (or otherwise) email sent to my postfix server. Incoming mail is handled by Google Apps/Gmail and is already setup. I already set my SPF recording to designate my mx records and postfix server ip as valid email servers i.e. "v=spf1 mx include:mydomain.com -all" How can I achieve this? I'm frankly a little confused, so some help would be appreciated. I attempted to follow these guides here, but it doesn't seem right (and it isn't clear what all the settings mean): How to configure Postfix virtual domains http://www.sysdesign.ca/guides/postfix_virtual.html Postfix Installation *.slicehost.com/2008/7/29/postfix-installation Basic Postfix settings (main.cf) *.slicehost.com/2008/7/31/postfix-basic-settings-in-main-cf I can only post one link, but those articles above can be found by replacing * with articles in the hyperlink.

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  • Exchange 2003 - how to route ALL mail (including internal) via an external SMTP gateway? (Or, domain

    - by Scandalon
    Short version: Is there a way to have Exchange route all email, including internal AD users that would normally be routed directly, through an external gateway? (SMTP, probably a "Smart Host" in exchange nomenclature.) Longer version: I'm not an email expert/admin/orevencompetent. Inherited an exchange 2003 server, migrating to web-based SaaS provider. To add to the fun, we're also (forced by deadlines) transitioning domains. What we (my boss) wants is any email sent to the new domain to have a copy sent to both domains. Getting mail sent to the new domain/provider to then be copied/forwarded to our old domain/exchange is easy. But we want mail sent from the old domain to the old domain to get sent to the new domain as well. However: If we route all outgoing exchange mail through the new provider gateway, w/ the new domain forwarding to the old, we'd get an email loop. The "solution" desired is for an exchange user that sends to another exchange user to still be sent via the external gateway, which would in turn be sent to the new domain, and copied/forwarded back to the old domain. Is it possible? A bit of a strange request I'm sure. And I expect that what we're attempting to do is DoingItWrong(tm). Any better ideas?

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  • echo difference between ubuntu and RedHat

    - by arcomber
    I have mostly been experimenting with ubuntu but recently was using a Red Hat Enterprise system and was surprised at a difference I found setting and displaying env variables. In ubuntu I might have an interaction like this: acomber@mail:~$ export MY_VAR=i686-linux acomber@mail:~$ echo $MY_VAR i686-linux acomber@mail:~$ echo "$MY_VAR" i686-linux But on RHEL: acomber@mail:~$ export MY_VAR=i686-linux acomber@mail:~$ echo $MY_VAR acomber@mail:~$ echo "$MY_VAR" i686-linux I know this is a ubuntu forum but why the difference? Why do I need to enclose in quotes on RH? There are no spaces in the variable name?

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  • 20GB+ worth of emails in my /home what is a better solution for that?

    - by Skinkie
    My email storage requirements are outgrowing anything reasonable with respect to local mail storage. As we speak 99% of my home partition is filled with personal mail in Thunderbirds mail dirs. Needless to say, this is just painful, badly searchable and as history has proven me that backups work, but Thunderbird is capable of loosing a lot of mail very easily. Currently I have an remote IMAPS server (Dovecot) running for my daily mail, accessible from anywhere, which from my own practice works efficiently up to about 1000 emails. Then some archive directories should be used to move mail around. I have been looking into DBMail, but I wonder if I make my case worse or better which such solution. None of the supported database employ string deduplication or string compression out of the box, so is this going to help me with 20GB+ mail? What about falling back to a plain old IMAP server? A filesystem like ZFS would support stuff like GZIP transparently, which could help. Could someone share their thoughts? The 20GB mostly consists of mailinglists, and normal mail. Not things like attachments. To add some clarifications; As we speak, my mail is not server side indexed at all - only my new mail arrives at a remote IMAP server. It is all local storage from former POP3 accounts, local mirrored Gmail and IMAP accounts. In my perspective it is not Thunderbird that sucks, its fileformat that sucks. Regarding the 1000 mails. On the road I am using Alpine and MobileMail, quite happy with both of them, but some management is required to actually manage the mail. Sieve helps a lot with that, but browing through 10.000 e-mails is not fun, especially not on a mobile client. I am quite happy with Dovecot, never had any issues with it. I just wonder if this is the way to go. Or if there are any other better solutions. What my question is: what is the best practice solution that allows 20GB+ mails and is -on demand remotely accessible, easy to backup and archive worthy. It doesn't need to be available 24x7. The final approach I took was installing a local IMAP server (Dovecot), configured it for being my archive, using the following guide: http://en.gentoo-wiki.com/wiki/Dovecot/InstallThunderbird

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  • Why isn't module_filters filtering Mail::IspMailGate in CPAN::Mini?

    - by user304122
    Edited - Ummm - now have a module in schwigon giving same problem !! I am on a corporate PC that forces mcshield on everything that moves. I get blocked when trying to mirror on ... authors/id/J/JV/JV/EekBoek-2.00.01.tar.gz ... updated authors/id/J/JV/JV/CHECKSUMS ... updated Could not stat tmpfile '/cygdrive/t/cpan_mirror/authors/id/J/JW/JWIED/Mail-IspMailGate-1.1013.tar.gz-4712': No such file or directory at /usr/lib/perl5/site_perl/5.10/LWP/UserAgent.pm line 851. authors/id/J/JW/JWIED/Mail-IspMailGate-1.1013.tar.gz At this point, I get the Virus scanner mcshield sticking its Awr in. To maintain my mirror I execute:- #!/usr/bin/perl CPAN::Mini->update_mirror( remote => "http://mirror.eunet.fi/CPAN", local => "/cygdrive/t/cpan_mirror/", trace => 1, errors => 1, module_filters => [ qr/kjkjhkjhkjkj/i, qr/clamav/i, qr/ispmailgate/i, qr/IspMailGate/, qr/Mail-IspMailGate/, qr/mail-ispmailgate/i, ], path_filters => [ qr/ZZYYZZ/, #qr/WIED/, #qr/RJBS/, ] ); It skips OK if I enable the path_filter WIED. Just cannot get it to skip the module failing module to complete other WIED modules. Any ideas?

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  • Why isn't module_filters filetering Mail::IspMailGate in CPAN::Mini?

    - by user304122
    Edited - Ummm - now have a module in schwigon giving same problem !! I am on a corporate PC that forces mcshield on everything that moves. I get blocked when trying to mirror on ... authors/id/J/JV/JV/EekBoek-2.00.01.tar.gz ... updated authors/id/J/JV/JV/CHECKSUMS ... updated Could not stat tmpfile '/cygdrive/t/cpan_mirror/authors/id/J/JW/JWIED/Mail-IspMailGate-1.1013.tar.gz-4712': No such file or directory at /usr/lib/perl5/site_perl/5.10/LWP/UserAgent.pm line 851. authors/id/J/JW/JWIED/Mail-IspMailGate-1.1013.tar.gz At this point, I get the Virus scanner mcshield sticking its Awr in. To maintain my mirror I execute:- #!/usr/bin/perl CPAN::Mini->update_mirror( remote => "http://mirror.eunet.fi/CPAN", local => "/cygdrive/t/cpan_mirror/", trace => 1, errors => 1, module_filters => [ qr/kjkjhkjhkjkj/i, qr/clamav/i, qr/ispmailgate/i, qr/IspMailGate/, qr/Mail-IspMailGate/, qr/mail-ispmailgate/i, ], path_filters => [ qr/ZZYYZZ/, #qr/WIED/, #qr/RJBS/, ] ); It skips OK if I enable the path_filter WIED. Just cannot get it to skip the module failing module to complete other WIED modules. Any ideas?

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  • Are these settings correct for sending mail through Rails/Gmail?

    - by aressidi
    Hi there, I spend a good deal of time building an email system for my Rails app that uses Gmail to send bulk mail to a list of opt-in users. I realize a shortcomming of using Google Apps for my mail, namely a rate limit on the number of emails it will send out (i believe 500). Anyway, I have reached out to my users to see how many have received the email, and a lot of them have not, though some have. The list I tried sending to was about 540 users, so I would have expected more "yes, got it," then "nope, still waiting" responses. I have two questions: Do these settings look correct for outgoing bulk mailing through Gmail? Again, using google apps to manage my domain and i know some people (including myself) have received the mailer. This is in a mail.rb initializer in my app. ActionMailer::Base.delivery_method = :sendmail ActionMailer::Base.smtp_settings = { :address => "smtp.gmail.com", :port => 25, :domain => "mydomain.com", :authentication => :login, :user_name => "[email protected]", :password => "mypass" } Is there any way I can test if the mail was delivered, or at least attempted to be delivered? I can't tell where in the list the mailer stops mailing! The way I generate the list is through a query which then passes the user info to a mailer worker which sends the emails out via Starling/Workling. Any advice here would be useful. Happy to post code, but want to make sure the method I'm using is sound. Thanks for the help!

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  • do not require smtp authentication for a specific domain using hMail server

    - by toryan
    One of my clients has a needlessly complex e-mail setup for a couple of domains, which is causing problems when they try to send e-mail between them. They have a couple of domains where mail follows a slightly weird path: Users connect to an Exchange server to send e-mail The exchange server relays the message to an ISP-owned SMTP server as a smart host The ISPs server delivers the mail to the mail exchanger specified in DNS The mail exchanger is another server that runs hMailServer The Exchange server connects to the hMail server via POP3 and retrieves the messages. The problem arises when they send mail between addresses in the same domain, or two addresses that are present on the hMail server. hMail requires SMTP authentication when sending from local to local addresses, so the messages don't arrive. Removing SMTP authentication isn't really an option, as the server has been the target of spam being sent from spoofed local addresses. SMTP authentication prevents this. It is possible to add the ISP's mail server as an IP range with specific rules, but this seems inelegant. Bearing in mind I only have access to the hMail server and not the Exchange server, is there a better way of going about this?

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