Message stuck in queue and not delivering to mail server
We have a message on our blocker that seems stuck on the box and unable to deliver to the destination host, even though all other mail to that host is fine. This is sitting in the list of active recipints, retrying hourly, but never going. When we grep the mail_logs it looks like this:
Sun Jun 27 14:39:31 2010 Info: Delivery start DCID 386231 MID 799847 to RID [0, 1] Sun Jun 27 14:40:51 2010 Info: Delayed: DCID 386231 MID 799847 to RID 0 - 4.4.0 - Other network problem ('000', ['[Errno 60] Operation timed out'])  Sun Jun 27 14:40:51 2010 Info: Delayed: DCID 386231 MID 799847 to RID 1 - 4.4.0 - Other network problem ('000', ['[Errno 60] Operation timed out'])  Sun Jun 27 14:40:51 2010 Info: MID 799847 to RID [0, 1] pending till Sun Jun 27 15:40:51 2010 [Default]
It is not an especially large message according to message tracking, so it's a mystery why only this one cannot deliver.
How can we look at the actual message in the queue before it bounces to see what the content is that is causing the issue, or do soemthing else to resolve?
Re: Message stuck in queue and not delivering to mail server
on the Command Line Interface (CLI) you can use the command 'showmessage' which will display you the message on the screen. Please note that this command is requiring the MID of the respective message, which is 799847 in your case.
Is this a particular destination IP you have the issue with? It seems that the destination is not responding in time, which is why the Errno 60 (timeout) is returned. You can try to use the CLI command 'telnet' to test the connectivity to the destination or use the diagnostic -> network -> smtpping on the CLI to actually attempt a test message delivery to the destination mail server. Once the destination is up, you can reschedule the delivery of the pending message by using the CLI command 'delivernow'.
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