From: Wietse Venema (no email)
Date: Sun Feb 01 2004 - 10:08:08 EST
:
> Hi,
> i use postfix with smtp-relay. problem is, if i send an email with a non existing recipient,
> postfix (or the relay-server?) deletes the X-Envelope-From field.
Postfix does not delete the X-Envelope-From field.
> postfix then tries to inform the sender of the email via the relay-server which deny that email ('550 no valid sender in Sender:, Reply-To:, or From:').
>
> my question, is it possible to configure postfix to generate a valid
> X-Envelope-From field in this case ?
X-Envelope-From is not a standard.
When mail is undeliverable it is sent to the ENVELOPE sender address.
That is the address in the MAIL FROM command.
Wietse
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