From: Peter Grewal (peter@avient.ca)
Date: Sun Jul 20 2008 - 11:34:13 ART
Guys,
I need some advice, this thing has my brain wrapped, I have a site to site
VPN tunnel using a ASA 5520 firewall (clustered) with an opposing Checkpoint
firewall. We are running two exchange servers, one at either site, with user
mail boxes spread sporadically between the two. The problem that I have is
that mail is not flowing when my local IP address exchange servers IP is
below 192.168.100.28, when its set higher it works. If I run SMTP commands,
such as EHLO it works, but I only get a limited set of verabage. I've
checked both firewalls and exchange servers, there are no subnet
restrictions, the exchange servers have been checked by Microsoft and they
look good. I can't figure out the restriction on addresses below .28, any
one got any suggestions, I figured it my be the inspection rules on ASA for
SMTP they have been disabled, and the same thing has been done the
Checkpoint firewall.
Thank you.
Peter.
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