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E-mails are stuck in queue

Posted by viralr on April 20, 2011

Check the State column of the SMTP Queue. If it is other than Active State, then try Force Connection to change the status to Active and give another chance for Exchange to deliver the messages.

If the messages are stuck in ,

Pre-submission Queue  :-

–Check for third-party applications (antivirus, etc.)

Awaiting Directory Lookup  :-

–Check for DNS problems

Check for Active Directory problems

–Check for proper attributes of the Users (Q281761)

–Check limits and restrictions

–Check recipient policies

–Check distribution Group properties

–Check permissions of the objects in Active Directory

Waiting to be routed :-

–Make sure Routing Engine Service is started

–Make sure Address Spaces are correct

–Check Link State (use Winroute)

 Local Delivery :-

–Make sure that the Information Store service is started and the mailbox and public folder store are mounted

Remote Queues :-

–Verify DNS can lookup an MX and A record for remote domains

–Make sure that the SMTP service is started

–Check for possible network Problems

–Check for problems with Firewalls, Proxies, routers, etc.


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