Why is my Exchange server experiencing delivery delays from McAfee?
20 Nov 2013 3:04 PM
If McAfee's message audit lists the message as "Queued," check your Exchange server log files for the message. If the message is not listed in the log files and you are running Exchange 2010 or Exchange 2013, the issue may be caused by back pressure features. Please read the following articles for more information:
Exchange 2013 -
Exchange 2010 -