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Cause of 4.4.7 delivery failure

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by joshua1

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Here's my error message:
Could not deliver the message in the time limit specified 4.4.7

The situation is domain A can't is having trouble sending to us. They are the only domain that I'm aware of having difficulty sending to us. The user there says we are the only domain they are having trouble sending to (of course). My questions are what causes this? That's all the info I have, so I don't even know if that message go out of domain A's network, right? I don't have any server performance issues or Internet bandwidth issues. Any insight on this error or advice on handling it is appreciated.

4 replies

by joshua1

My platform is Exchange 2000. Domain A is also Exchange, but I'm not sure what version.

by [_rick_>

Technet Article Q284204 provides some information on the code 4.4.7

Delivery Status Notifications in Exchange 2000 Server [Q284204]

Technet article Q312415 indicates that a Watchguard Firebox is in use not allowing delivery to take place in a timely fashion (before TTL expires on the message)

Some Domains Send NDRs to Exchange 2000 Server w/ Firebox [Q312415]

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