Message Queues

MTA, Internet Mail Service, and Microsoft Mail Connector message queues can be viewed and modified. The queues are accessed in the Queues property page for each component. You can display the queues, delete messages and, in some MTA queues, change the order of the message in the queue.

When mail is not reaching its destination, it is important to examine the queues. A long queue can indicate a problem with the physical connection between servers, a server or MTA configuration error, or an improperly configured connector. Normally, mail should not be retained in the queues for long. Use the Queues property page to delete any corrupted messages that are blocking the queues.