Denis Perelyubskiy wrote on Tue, Sep 11, 2001 at 07:13:04PM -0700:
> * Rino Mardo <[EMAIL PROTECTED]> [09-Tue-01 19:06 -0700]:
> >:0:
> >* ^Return-path:.*mutt-user.*@mutt\.org
> >$MAILDIR/mutt/
>
> actually, does it not make more sense to use ^TO_
> expression, in plcae of ^Return-path?
There are a couple of good reasons not to use ^TO or ^TO_ when sorting
out mailing lists. The first is speed, ^TO variants are big regexps
that take a while to evaluate, especially when you pile up lots of them
in a row (man procmailrc for the actual regexs). Secondly ^TOs miss a
bunch of mails, I regularly got mails from mutt development, bugtraq,
and a few other lists falling through ^TO based filters. It wasn't
a matter of bad address regexs, these emails used bcc only addressing
and no (X-)?Apparently-To:, it seems mutt lists set Delivered-To: which
isn't part of the ^TO_ regex.
The fastest way to sort out mailing lists is to pick off a custom
header used by the list (with a ^ rooted regex) and then order the
rules by posting frequency. For example from my .procmailrc:
## mutt user discussion list
:0:
* ^Delivered-To: mutt-users
dev/muttu
RJS
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