North American Network Operators Group
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Re: Anybody patching Sendmail to filter _attachments_?

  • From: Bill Woodcock
  • Date: Mon May 08 14:30:48 2000 
The closest thing that's been suggested so far is a procmail/perl/metamail
package:  http://www.wolfenet.com/~jhardin/procmail-security.html

I haven't yet looked into how to run procmail on a sendmail hub, as
opposed to as a local delivery agent...  My assumption is that it will
need to be run as a Remote Delivery Agent, a la uucp, rather than as an
LDA, so it'll need to also take care of SMTP delivery out to the
customer's mailserver, or it'll need to tag it to avoid recursion if it
passes the piece of mail back through sendmail for remote delivery.

                                -Bill