Re: seeing SRS0 in email from field

Jean-Pierre Schwickerath <[email protected]> Thu, 17 Aug 2006 08:32:00 +0200
Newsgroups gmane.mail.spam.srs.general
Organization HILOTEC Engineering + Consulting AG
Message-ID <[email protected]>
Hello Dan, 

> I am an end-user, rather than an email or system admin, but I have a 
> decent understanding of smtp, a little understanding of spf, and a 
> SLIGHT understanding of srs. One thing thats not clear to me in the
> SRS explanations is whether the end user should ever see the
> rewritten return path in the from field, and, if not, does it depend
> on some system to remove or hide it.

SRS is a feature that works on the SMTP Envelope Address of SMTP not on
the From header in the mail message. So the end user should not see the
srs in his final mail unless he looks at the headers. There he/she
would find the srs address in the Return-Path or Sender header but not
in the the From header.... .... unless the mail was sent without From
header and your MTA inserted the envelope address instead.


Regards. 
Jean-Pierre

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HILOTEC Engineering + Consulting AG
Energietechnik und Datensysteme
Tel: +41 34 402 74 00 - http://www.hilotec.com/