POSTINI and ISA 2006 after WEBSITE A Record Change (Full Version)

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JMag -> POSTINI and ISA 2006 after WEBSITE A Record Change (4.May2013 6:38:26 AM)

Our Exchange Server 2003/ISA 2006/POSTINI setup has been working flawlessly for over a year. Our users get very little spam. This weekend, I changed the A Record for the company website and from that moment on, we began receiving an intense amount of spam across the board. Nothing was changed except to point the A record for the website to a different host server.

I can't find anywhere on the exchange server 2003 or the ISA 2006 where there is a setup to allow only Postini through Port 25. I have tried publishing, based on suggestions from another thread in this forum, but to no avail. I created an IP Range called Postini and used the wizard to create an SMTP publishing rule with the Action to "Allow", Traffic from protocol "SMTP Server", a From of the POSTINI range, TO is the IP address of our webmail server and Networks of External () and Internal.

Anyone know what I am doing wrong???? Not sure why pointing our website to a new location would cause all of this havoc, but I need to stop the spam somehow. Any help would be appreciated!




Montgomery -> RE: POSTINI and ISA 2006 after WEBSITE A Record Change (23.May2013 1:26:19 AM)

Just don't wait too long. The item you want might disappear.


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