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Re: Fake Bounces

2008-06-04 08:16:02
At 10:23 2008-06-04 -0400, Charles Gregory wrote:
Then what you look for (in SA or procmail recipe) is a line
in the body of the e-mail that consists of a quoted "From" line
with the user's address, but NOT their name:

Something similar to (check syntax!):
:0 B
* ^ *From.*<user(_at_)domain>
* !^ *From: +"User Name" +<user(_at_)domain>

I trust this logic is encapsulated within a mailer daemon message construct only? There are far too many listservs whose digest modes will screw you, not to mention MUAs (and users) which will attribute quotes in various ways. Then there are webforums where someone may have an account set up with their email address and a variation on their name (or a complete farce of a handle), and thus messages are generated on their behalf by a foreign mail system. None of these will necessarily pose issues so long as the check you're suggesting above is ONLY being checked for as part of mailer-daemon checking (well, unless the user is also an admin of such lists, receiving bounces of undeliverable digests and the like <g>).

Just my opinion.

---
 Sean B. Straw / Professional Software Engineering

 Procmail disclaimer: <http://www.professional.org/procmail/disclaimer.html>
 Please DO NOT carbon me on list replies.  I'll get my copy from the list.

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