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ESET Mail Security - block specific spam


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Using ESET Mail Security 4.5.10023  for MS Exchange 2013. In the last 24 hours several hundred messages are bypassing the spam filter withsubject: [SPAM] Undeliverable: Treat as Urgent.

 the From header is: From: Mail Delivery System [mailto:MAILER-DAEMON@smtp.cyber.net.pk]

How can we stop these from getting through?


Thank you!

 

 

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Can you show specific instructions? I am trying to find exactly how to do this but cannot find specifics. Can you elaborate with step-by-step?  For instance where to start--is this an "Email Client Protection" setting or a "Mail Server" protection setting?

 

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  • ESET Staff

Rule settings are on page Advanced setup/Server protection/Rules

1. Add new rule
2. Select conditions - By message subject, By message sender
3. Enter values that you want to block
4. Select action + check Log (you can test it with No action for a while)

more info http://download.eset.com/manuals/eset_emsx_45_userguide_enu.pdf

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Thank you!  I was in wrong section (Antispam Setup parameters/custom rule). Your method was what I was looking for!

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