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more stringent email protection

I want to make our email SPAM filter become stronger.

Right now, we are using Content Filtering and any email having a score of 50 or less is considered to be free of SPAM and is delivered. Otherwise, messages between 51 and 100 are held in quarantine.

My question is, do I make the Content Filtering Threshold higher or lower to make it tougher for an email to make it through to the users inbox?

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0 Aiman Ansari over 7 years ago

Hi Mark,

Decreasing the threshold will put more messages in the medium to high spam category, resulting in less spam in inboxes.

These articles are helpful as well :

https://community.sophos.com/kb/en-us/120802

https://community.sophos.com/kb/en-us/118845

Regards,

Aiman Ansari
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0 Neil_Evolve over 7 years ago

Evening Mark,

From your message I assume you're not talking about content filtering in the Sophos email appliance.

Sophos carry out automatic SCL checks with the following results being applied:

Messages with a probability score of 90% or higher is considered high spam and discard. Scores between 50% - 89% are classified as medium and quarantined, if the rule is defined that way.

Regards,

Neil.
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