4 messages in net.sourceforge.lists.courier-usersRe: [courier-users] Blocking / Bounci...
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Kevin MurphySep 7, 2003 4:04 pm 
Gordon MessmerSep 7, 2003 5:57 pm 
Kevin MurphySep 7, 2003 6:43 pm 
Gordon MessmerSep 7, 2003 7:15 pm 
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Subject:Re: [courier-users] Blocking / Bouncing Mail Based On Attachment Name?Actions...
From:Kevin Murphy (kev@sargon-ps.com)
Date:Sep 7, 2003 6:43:45 pm
List:net.sourceforge.lists.courier-users

On Sun, 07 Sep 2003 17:56:41 -0700, Gordon Messmer wrote:

Kevin Murphy wrote:

For example, I'd like to be able to block any incoming (or outgoing, I suppose) messages with an attachment having an extension of .pif, .scr, .bat, etc... And I'd like to be able to respond to the sender with a message such as "Hello, I've received a virus- infested email from you, stop it." (But much more politically correct in actuality of course)

Since most of the current crop of viruses forge the return path, I suggest you do this in a courierfilter (see the man page) or not at all. Attempting to do this after you've accepted the message will only aggrivate people who aren't even infected.

The sad part is that since viruses are starting to include their own SMTP engine as well, most of the infected persons will never see your rejection message.

Understood. Obviously, the more important part of my request was how to block /
reject / bounce messages based on attachment attributes. Whether or not the
message goes out or is received is of little importance to me at this point.