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Category Archives: Firewalls

Exchange and Zone-Based firewalls

Posted on June 10, 2008 by PeterJune 10, 2008
1

I ran into some issues with Exchange running through Zone-based firewalls, where the servers would not pass mail between them. This appears to be related to SMTP inspection rejecting the ESMTP commands Exchange uses. The problem can be resolved by … Continue reading →

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Posted in Firewalls, Professional Level, Security | 1 Reply
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