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Microsoft Exchange 2003...

Posted on 2009-04-22
Medium Priority
Last Modified: 2012-06-27

I administer a network with 200 users, we are running Server 2003, exchange 2003 Standard for our mail server. The last few days I got into trouble because a tender was emailed to us twice in a 24hr period with 2 attachments, one was 10mb, the other was 6mb, I have set our attachment maximum size to 30mb some months ago. Now we never recieved either of those emails and nore did the sender recieve a NDR until yesterday saying:-

Connected to (Our IP Address) but connection died. (#4.4.2)
I'm not going to try again; this message has been in the queue too long.

But then this morning the email was sent again and we recieved it, almost immediately.. with all attachments.
Is there any reason why this happened..??? that anybody knows of.. or is it likely to happen again..?? Can I do anything to prevent it happening again..???   any help or comments please...
Also I have noticed lately alot of outbound mail seem to be in the queue for quite a while before going.. and even sometimes I need to force the connection for them to go..

Any Help would be grately apprieted..

Question by:dazzzor
LVL 65

Accepted Solution

Mestha earned 2000 total points
ID: 24204062
Until the message arrives on your server it is out of your control.
The error that you have posted is not the normal error for an attachment being rejected because of size. It can be caused by something scanning SMTP traffic that shouldn't be - firewall for example.

If you are seeing traffic in your own queues waiting to go out then that is classic interference, and third party application or hardware like a firewall is the usual cause.


Author Closing Comment

ID: 31573211
thank you...

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