Archive for the ‘Exchange’ category

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Cisco ASA, Exchange, MessageLabs and Inspect ESTMP don’t play nicely

September 3, 2009

Our Exchange Guru, Ben, was responding to a call about missing emails.  After a bit of searching through logs he noticed consistant time out errors on the mail relay from MessageLabs. The MessageLabs logs were also showing constant retries to the mail relay. Time to blame the Firewall …. Now, I knew that Cisco PIX  ‘fixup [...]

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Exchange 2007 Transport Edge server – Attachments over 10MB disappearing

March 7, 2008

Ah, the further joys of Exchange and Powershell. Was mucking around and decided to send some large files (over 10 mb) between email systems, but they didn’t arrive. Hmmm After checking that all the standard settings for message limits where okay, things still weren’t working. A bit of Googling stumbled on to this Basically each [...]

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Troubles with deleted attachments in Exchange 2007 Edge Server

February 27, 2008

My continuing journey in to the joys of having a non-standard Edge server configuration, just to have a lab to muck around in! Certain file types, mainly .exe were being deleted and replaced with a simple .txt with the name of the deleted file attached to the original email. So I got evil.exe.txt rather than [...]

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Exchange 2007 Transport Edge server in SMTP Relay mode

February 26, 2008

Was struggling to get an Exchange 2007 Transport Edge server working how I wanted it to. I was simply trying to use it as a straight forward standalone relay SMTP server in prep for the whole Exchange 2007 thang. Not connected to Exchange in the slightest way, shape or form. I haven’t had the chance to [...]