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03.10.2008 at 10:18AM PDT, ID: 23229137
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Outbound SMTP Messages Stuck for Certain Domains

Asked by tgerbert in Exchange Email Server, Windows 2003 Server, Simple Mail Transfer Protocol (SMTP)

Tags: Microsoft, Exchange, 2003

I'm running a single Exchange 2003 system, two virtual SMTP servers bound to different IP addresses (one accepts anon connections but only from upstream server, the other accepts from any system with auth reqd).  Both virtual servers are configured to deliver direct, DNS servers are NOT listed in SMTP server config - DNS settings are configured properly on bound network adapter, external A and PTR records exist for both virtual servers.  Server is behind a PIX running 6.3 with "no fixup protocol smtp"

I am getting outbound messages for certain domains, like aol.com, comcast.net, and a couple others, that just don't seem to go anywhere - other domains don't seem to have any problem.  On my server, I can run nslookup to get MX records for affected domains and successfully deliver messages with telnet.  I've tried re-applying Exchange SP2 to no avail.Start Free Trial
[+][-]03.10.2008 at 10:22AM PDT, ID: 21088308

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[+][-]03.10.2008 at 10:22AM PDT, ID: 21088320

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[+][-]03.10.2008 at 11:10AM PDT, ID: 21088707

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[+][-]03.10.2008 at 12:07PM PDT, ID: 21089255

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[+][-]03.10.2008 at 05:32PM PDT, ID: 21091923

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[+][-]03.11.2008 at 09:10AM PDT, ID: 21097136

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[+][-]03.11.2008 at 11:05AM PDT, ID: 21098324

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About this solution

Zones: Exchange Email Server, Windows 2003 Server, Simple Mail Transfer Protocol (SMTP)
Tags: Microsoft, Exchange, 2003
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Solution Provided By: Sembee
Participating Experts: 2
Solution Grade: A
 
 
[+][-]03.11.2008 at 12:13PM PDT, ID: 21098992

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[+][-]03.11.2008 at 03:02PM PDT, ID: 21100863

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[+][-]03.19.2008 at 06:28AM PDT, ID: 21161252

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[+][-]03.24.2008 at 04:23PM PDT, ID: 21198415

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[+][-]03.25.2008 at 06:29AM PDT, ID: 21201668

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[+][-]03.25.2008 at 11:28AM PDT, ID: 21204603

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[+][-]04.20.2008 at 08:41AM PDT, ID: 21396432

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[+][-]04.23.2008 at 03:54AM PDT, ID: 21419219

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