From: Magnus Bäck (no email)
Date: Sun Feb 01 2004 - 06:16:24 EST
On Sunday, February 01, 2004 at 12:10 CET,
wrote:
> am Sonntag, 1. Februar 2004 um 11:23 schrieben Sie:
>
> MB> I don't understand your problem. Why does the error message read "no
> MB> valid sender" when the problem was that the recipient didn't exist?
>
> the email to the invalid recipient goes from the email-client to
> postfix, then to the relay-server, the relay-server bounce the email
> because of the invalid (non existent) recipient,
No, it *rejets* the email.
> postfix then generates an email for the sender of this email but
> cannot send this information to the relayserver because the
> x-envelope-from field is empty( it is bounced by the relay-server).
Bounces are always sent to the envelope sender. X-Envelope-From is
a non-standard header that Postfix doesn't use. If you send out mail
with a correct envelope sender, this problem will not occur.
> >> my question, is it possible to configure postfix to generate a valid
> >> X-Envelope-From field in this case ?
>
> MB> Is there something wrong with the Return-Path header?
>
> the client generates a valid header.
What?
-- Magnus Bäck
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