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Postfix Archives: Re: user+extension<img src="/imgs/at.gif" align="middle" border="0">domain in envelope headers

Re: user+extensiondomain in envelope headers

Amos Gouaux (amos+lists.postfixutdallas.edu)
15 Nov 1999 23:14:15 -0600

>>>>> On Tue, 16 Nov 1999 02:11:37 -0200,
>>>>> hmh+postfixml <hmh+postfixmlrcm.org.br> (h) writes:

h> 2. Using -f to specify the sender with a From: line if both match is
h> adequate *as long as* this does not mean +extensions will confuse the
h> validity check, and be dropped from the envelope and rfc822 senders (by
h> rewriting the envelope sender and adding a Sender: header without the
h> +extension).

h> 3. (2) above should NOT be dependant on the user being a trusted user,
h> because the user is not trying to generate an arbritary envelope
h> sender or rfc822 sender. He only added the same +extension to both (or to
h> -f and there are no From: headers in the message).

Maybe I'm living in a cave, but I certainly never encountered these
problems with either Sendmail or Postfix. While in your case the -f
would probably work just fine, I instead configured pgnus to talk
SMTP directly to the mail server, so I know without a doubt what the
envelope sender is. I think the latest PINE with its roles support
does a sendmail -bs so that it talks SMTP, but to the sendmail
command. It's been a while since I fiddled with that so I could be
wrong.

The only way you're really going to know is if you give Postfix a try.

Amos

This archive was generated by hypermail 2.0b3 on Mon Nov 15 1999 - 23:13:23 CST