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Cisco Bug: CSCur99158 - Multiple "Received" headers written to the message causing bounces

Last Modified

Jul 31, 2016

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

7.6.3-019 8.5.6-074 8.5.6-092

Description (partial)

Messages may be rejected by the receiving host due to a possible loop detection.  One error identified in the mail_logs that indicates this is shown below:

5.3.0 - Other mail system problem 554-'Too many hops'

The following option under "listenerconfig > setup" is set to "1":

What hostname should Received: headers be stamped with?
1. The hostname of the Virtual Gateway(tm) used for delivering the message
2. The hostname of the interface the message is received on
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