[Mimedefang] only permit "good" extension

[Ueli Kessler]

is there a way to reconfigre mimedefang-filter to permit only good attachements extension instead of having a huge list
of bad extensions, which must be update on a regularly?
would make life much easier.

cheers,

	-ueli

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Ueli Kessler
Security Specialist

Deltavista AG
Goldbacherstrasse 8
8700 Küsnacht

Phone: +41 1 913 50 56