Blocking custom file extension is not working

Pieter Goris Pieter.Goris at
Thu Feb 4 09:02:20 UTC 2016


So I want to block .dll and .()bat but mailscanner is not doing it.
I added this to the filename.rules at the bottom:
deny \.dll$ dll-files are not allowed         dll-files are not allowed
deny \.()bat$ Possible malicious batch file script               Batch files are often malicious

Pieter Goris

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