On Thu, Oct 06, 2016 at 12:10:06PM +0200,
msd+postfix-us...@msd.im wrote:
> Is there a way, in the context of SMTP Access Policy Delegation
> (http://www.postfix.org/SMTPD_POLICY_README.html), to change the
> envelope sender (MAIL FROM: / Return-Path) of an e-mail ?
>
> In fact, what I want is to call a script that will replace the
> envelope sender (in order to collect bounces), but having in this
> script an access to the "sasl_username" and the "recipient" to
> generate the new envelope sender.
It sounds like you might want VERP, did you review this one:
http://www.postfix.org/VERP_README.html
?
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