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exch 2003 smtp conn keeps going to retry

Posted on 2011-09-09
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We have 3 exch 2003 servers using 2 smtp connectors. The queues on all 3 exch servers for the smtp, keeps going into retry and the number of items keeps going up. I have restarted the smtp service and that helped for about 1 minute.
Any ideas would be great... Boy I hate exch 2003.......
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Question by:vmich
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ID: 36512580
When you say items are going up are you talking a few messages or thousands? I am wondering if this is leading to something that is being abused. Other things to check is can you telnet out of your network on port 25? Do you use a smart host for message delivery and if so can you telnet that on 25 ? I.e. Is your firewall or ISP preventing your connector sending messages or is the smart host dropping the connetions.
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by:vmich
ID: 36512606
Well right now one is at 10, one is at 55, and the other is at 135 in the queues. But if I hit force connection, some will go for a few seconds, then it goes back to retry
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ID: 36512624
If you look at the items in the queues are they postmaster messages or do they look like spam ? If so check this link out.

http://exchange.sembee.info/2003/smtp/spam-cleanup.asp

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by:vmich
ID: 36513356
No spam or anything like that.
Anyone have any ideas on this why all 3 servers smtp just keeps going to retry?
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ID: 36513389
Did you do the telnet tests. If the queues grow it means they can not bind to an external smtp source to deliver email.

http://www.messagingtalk.org/how-to-test-smtp-communication-using-telnet

The last time I saw this issue it was due to a memory leak on a cisco 1800 , all it needed was a restart.
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by:vmich
ID: 36531219
issue resolved from articles here.
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