On 2007-07-31 08:54:37 -0700, Bill Campbell wrote:
> On Tue, Jul 31, 2007, Vincent Lefevre wrote:
> >Yes, this is a well-known problem with the broken mailing-list
> >manager ezmlm (it makes a confusion between the "From:" header
> >and the envelope FROM address). You can try to set up your mail
> >reader (if it provides such an option) so that it forces the
> >FROM address to be the same as the "From:" header. But some
> >smarthosts or transparent proxies may set the FROM address back
> >to your internal address.
>
> Given that the From<space> header is added by the final MTA delivering the
> message, I don't see how that can work, but then I've never used ezmlm,
> only Mailman and Majordomo before that.
The "From " line is not a header. It is (optionally) added by the
MDA from the FROM field of the SMTP envelope. The corresponding
header is Return-Path (added when the message leaves the SMTP
environment). But this FROM address can initially be set by the
sender of the message.
> I almost always use tagged addresses, specific to particular mailing list,
> with mutt inserting the appropriate From: and Reply-To: headers based on
> the recipient address. Even so, ezmlm seems to see the address of the
> internal machine on a private LAN, not either of these.
You can ask Mutt to force the FROM address to the "From:" header by
setting $use_envelope_from (the description in the manual seems to
be incorrect as it doesn't correspond to the source code). This is
done with sendmail's "-f" option. If this option is not provided,
the MTA uses something like <email@hiddenn> (well, at least
sendmail and exim4, I don't know about postfix).
--
Vincent Lefèvre <email@hidden> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)
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