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SMTP Denied After High SMTP Activity

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SMTP Denied After High SMTP Activity - 12.Feb.2009 6:15:04 PM   
jman178

 

Posts: 2
Joined: 12.Feb.2009
Status: offline
Hi

I have setup a rule type "Server Publishing Rule" with:-

Traffic: SMTP Server
From: Anywhere
To: Internal IP address
Network: External IP address
Schedule: Always

If I set it to "Request appears to come from the original client" everything seems fine through the afternoon but at 11:00pm at night when their is alot of SMTP activity from a lot of different IPs I get denied SMTP messages in monitoring & our mail server stop receiving emails.

I have tried restarting the mail server just to see if that was the problem but with no success.

If I change it to back to "Requests appear to come form the ISA Server Computer" it works fine been using this setting for months now.

Does anyone have any ideas about this problem?

(I was thinking it was Flood Mitigation issue but normally I receive messages under alerts if that did occur & there were no alerts recorded during that period)

< Message edited by jman178 -- 12.Feb.2009 6:17:17 PM >
Post #: 1

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