Exchange 2007 automatically adding IP to block list

Posted by Tim Anderson on Server Fault See other posts from Server Fault or by Tim Anderson
Published on 2010-03-01T15:03:41Z Indexed on 2012/06/22 15:18 UTC
Read the original article Hit count: 171

Filed under:

exchange

|

windows-sbs

This puzzled me. We have all mail directed to an ISP's spam filter, then delivered to SBS 2008 Exchange. One of the ISP's IP numbers suddenly appeared in the ES2007 block list, set to expire in 24 hours I think, so emails started bouncing.

Quick look through the typically ponderous docs, and I can't see anything that says Exchange will auto-block an IP number, but nobody is admitting to adding it manually and I think it must have done.

Anyone know about this or where it is configured? Obviously one could disable block lists completely but I'd like to know exactly why this happened.

© Server Fault or respective owner

Related posts about exchange

Upgrade Exchange 2003 to Exchange 2010 – Part II

as seen on Simple Talk - Search for 'Simple Talk'
In Jaap's second article on upgrading straight from Exchange Server 2003 to 2010, he explains how to move the various services from Exchange Server 2003 to Exchange Server 2010 and fully decommission the Exchange Server 2003 servers. >>> More
Upgrade Exchange 2003 to Exchange 2010

as seen on Simple Talk - Search for 'Simple Talk'
In this article, the first of two in which Jaap describes how to move from Exchange Server 2003 straight to Exchange Server 2010, he shows what is required before moving mailboxes from Exchange Server 2003 to Exchange Server 2010. He shows how to upgrade Active Directory, install both Exchange Server… >>> More
exchange server 2010 Outlook Web Access - Exchange Control Panel WEB Interface

as seen on Server Fault - Search for 'Server Fault'
from what i can gather the mailbox bit of the web interface works fine.. when any of the users go to options (top right) and try to use some of the features such as the Organise Mail Delivery Reports to find messages etc... it comes up with a message .. "An item with the same key has already been… >>> More
Backup multiple Exchange Accounts without direct access to exchange server

as seen on Server Fault - Search for 'Server Fault'
For e-mail, we use Microsoft Exchange and it is hosted by 1and1.com. We have about 30 Exchange accounts that I would like to backup to a PST file. That is, for each account that we have (all 30), I would like to create a single PST file (1.pst thru 30.pst). I do not have direct access to the Exchange… >>> More
when using exchange 2010 it complains of not talking to Information Store service on exchange 2007

as seen on Server Fault - Search for 'Server Fault'
I am attempting to do an upgrade in my org from exchange 2007 to exchange 2010. I moved all the mailboxes and made sure my certificates were setup in exchange 2010. I then changed my ip forwarding rules to forward mail to my exchange 2010 box. I can receive email. I then powered off my exchange 2007… >>> More

Related posts about windows-sbs

Windows SBS 2008 problem: workstation login delays

as seen on Server Fault - Search for 'Server Fault'
Last week I had a problem with my server (Windows SBS 2008 ), so I made a restore point to resolve that problem. But after I did it any workstation (Windows 7) try to login takes 50 seconds. I tried to find an error in event viewer, but there are no errors. Can anyone help me? >>> More
Windows SBS 2003 DNS taking over network

as seen on Server Fault - Search for 'Server Fault'
I have Windows Small Business Server 2003 premium edition on my new server box, this hosts a webapp on IIS. It has set up a DNS Server to solve requests to the webapp. I have a linux server/router that has does DNAT and portforwards port 80 to the new box. My linux router serves as a firewall and… >>> More
windows sbs 2008 problem

as seen on Server Fault - Search for 'Server Fault'
hello last week i got problem with my server ( windows sbs 2008 ) so i make a restore point to resolve that problem , but after i did it any workstation( windows 7 ) try to login will take 50 second , so i tried to find an error in event viewer but there is no errors. can anyone help me >>> More
Always a path to the internet even in Windows SBS is off

as seen on Server Fault - Search for 'Server Fault'
Hello all, is it possible to have a configuration in a Windows 2003 SBS environment where in the event that the SBS box crashed/turned off/ or is being worked on that there can still exist a path to the internet for domain users and visitors to still use? I would like to have the standalone router… >>> More
SBS 2008 Backup Drive Full - Error Code '2147942512'

as seen on Server Fault - Search for 'Server Fault'
We are using Windows Backup on SBS 2008 SP2 and backing up to 1TB external hard drives. Recently after switching drives our backup started failing because the backup drive is full and auto-delete isn't automatically deleting older backups/show copies. I'm trying to get more information to help me… >>> More