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Why are messages forwarded from my Barracuda Message Archiver getting de-duplicated on my Exchange server?

  • Type: Knowledgebase
  • Date changed: 7 months ago
Solution #00004884

Scope:
Applies to all Barracuda Message Archivers.

Answer:
Messages forwarded from the Barracuda Message Archiver sent to a Microsoft Exchange server may be getting de-duplicated. This is due to Microsoft's method of managing de-duplication on the Message ID header. For more information on how Microsoft Exchange may be de-duplicating your mail, please follow the following link:

http://msexchangeteam.com/archive/2004/07/14/183132.aspx

Link to this page:
https://campus.barracuda.com/solution/50160000000IHJqAAO