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Google Message Security Troubleshooting Guide User Manual

Page 59

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Mail Flow Troubleshooting 61

The graph will look like this:

This usually indicates that messages were blocked and spooling is storing
messages so that no mail data will be lost.

Here are the most common causes for spooled messages in the Delivery
Manager graphs, and the steps to resolve them:

Delivery Errors

Your server may be returning errors when the message security service tries
to deliver mail.

Run SMTP Message Test “Test an email from the data center directly to your
mail host”. See SMTP Message Test.

If you see problems, contact your mail server vendor or administrator to
resolve these problems.

Incorrect Delivery Information

The message security service may be trying to deliver to the wrong location.

If this is the case, update your Delivery Manager settings. See Setting up
Delivery Manager.

Spool Manager

If there are no delivery errors, Spool Manager may be set to spool all mail.
Check to see if Manual Spooling is enabled. After you have resolved other
issues, start unspooling. See Configuring the Spool Manager for more
information.

Interpret Delivery Manager Graphs: Messages Accepted

If the Delivery Manager graph shows a blue line, this indicates that messages are
being delivered successfully. If there is a problem, it is happening after your server
received the message.

This is also how the Delivery Manager graph will look when mail is being delivered
successfully.