Archive | Exchange 2007

02 October 2009 ~ 1 Comment

Firewall, NAT and DNS, reverse DNS entries do not match Error

If you host your own email behind a NAT device or firewall, you've probably seen this issue come up at least once in your enterprise. Recently, I've received some complaints about exchange 2007 bouncing email messages with error messages like this:

mxi5p.craigslist.org #554 5.7.1 Read More

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06 August 2009 ~ 0 Comments

How to configure Backup Exec to purge Exchange email logs?

How to configure Backup Exec to purge Exchange email logs?

If you have a busy Exchange email server, your log folder can grow to a humongous size in no time. Recently, our exchange 2007 cluster went from 200 GB free to 2GB free space. In a cluster environment, when you run out of disk space, exchange 2007 server will dismount the databases which means no e Read More

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31 July 2009 ~ 0 Comments

Email Server Generates “#500 Firewall Error##” Error

Email Server Generates “#500 Firewall Error##” Error

We upgraded our mail server recently to Microsoft Exchange 2007 and users started experiencing problem sending emails to multiple recipients on same domain.

The error message:
Diagnostic information for administrators: Read More

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