[Mimedefang] bad ext question

[marcospls@yahoo.com.br]

Hi list, i new user in MIMEDefang, i have a "litle" 
question.

How do i make invert of bad_exts.
Ex.:
$bad_exts =
'(ade|adp|app|asd|asf|asx|avi|bas|bath|\{[^\}]+\})'

to allow some files at:
Ex.:
$bad_exts !=
'(zip|txt|htm|html|doc|xls|sdw|sdt|sxc|sxw|png|\{[^\}]+\})'
# (!= exception)


Very thanks for any help!!!

Marcos Paulo


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