291094Could you help me with Postfix + MimeDefang?
- Feb 4, 2013Hello list,
I would like to use MimeDefang to sanitize the emails that arrive
at one of our 3 mailing lists, i.e., to convert html->text, remove
unsafe attachments, and remove+webserve file attachments
larger than 500KB.
There are few tutorials on this subject and most, like Mickey Hill's
http://www.mickeyhill.com/mimedefang-howto , ask for the installation
of sendmail and present a config tightly coupled with sendmail
internals (the real sendmail, not postfix's sendmail).
Could you please provide (or point to) a couple of working examples on
how to setup mimedefang with postfix (would it be better done as a
transport+filter, or as milter?) and, if possible, throw some light
on the advantages/disadvantages of each alternative?
PS: My current setup uses postfix 2.9.3 + mlmmj 1.2.18 + ubuntu
12.04, to manage 2 low volume mailing lists (< 300 subscribers and
less than 50 emails/month), as follows:
postconf -e 'virtual_alias_maps = /etc/postfix/virtual-alias-maps
postconf -e 'transport_maps = /etc/postfix/virtual-transport'
# transport for the mlmmj mailing list manager
mlmmj unix - n n - - pipe
flags=ORhu user=mlmmj argv=/usr/bin/mlmmj-receive -F
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