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Bug in Content Filtering applying to all internal senders
Problem reported by Joseph Sandin - December 9, 2015 at 12:16 PM
Submitted
We found a bug where a rule in Content Filtering would apply to all internal senders of a domain. A customer added a rule for sending all "Dr. Oz" spam emails to the Trash folder with the following settings:
  • Contains specific words or phrases
    • ‚ÄčSubject or Body
      • contains "oz"
  • Move Message
    • Trash
Somehow this rule was causing all emails sent internally to go straight to the trash folder for each user. The word "oz" is not in any of their names, their domain name, or business name. Removing the rule stopped this behavior.
 
Just to clarify, to test this I sent emails between a few users containing only "Test" for both subject and body and did not include a signature, attachment, etc.
 
Example:
[2015.12.09] 08:10:29 [56822] Delivery started for sender at 8:10:29 AM
[2015.12.09] 08:10:33 [56822] Skipping spam checks: User authenticated
[2015.12.09] 08:10:36 [56822] Starting local delivery to recipient1
[2015.12.09] 08:10:36 [56822] Delivery for sender to recipient1 has completed (Delivered to Trash) Filter: Dr. Oz
[2015.12.09] 08:10:36 [56822] End delivery to recipient1
[2015.12.09] 08:10:36 [56822] Starting local delivery to recipient2
[2015.12.09] 08:10:36 [56822] Delivery for sender to recipient2 has completed (Delivered to Trash) Filter: Dr. Oz
[2015.12.09] 08:10:36 [56822] End delivery to recipient2
[2015.12.09] 08:10:36 [56822] Delivery finished for sender at 8:10:36 AM    [id:216156822]

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Matt Petty Replied
December 9, 2015 at 2:32 PM
Employee Post
"oz" is vague enough to catch the "-moz" tag in the signature area on an email. This is why you are seeing this behavior.
Matt Petty
Software Developer
SmarterTools Inc.
(877) 357-6278
www.smartertools.com

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