From: Carlos Jiménez (zuberoteleline.es)
Date: Mon Oct 01 2007 - 15:11:26 CDT

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Ok, I understand. But I'd just like to create or modify the SMTP server
reply. I am neither interested in create an explanation about the reason of
the rejection nor sending mail in response to spa mor worms. I believe I
didn't exposed my question correctly. I'm sorry.
Do you know the autoreplay generated when you send an e-mail from an IP or
domain which is in a BlackList? So... That is what I am interested in: that
kind of messages and the possibility to create or modify depending on the
applyed filter (RBL, rDNS, FQDN...).
Instead of a message for spammers, I need this messages for customers who
are trying to send us e-mails and the mail Gateway is rejecting them, in
order to help them with the reason of the rejection, as a point of starting
in order they can fix their issue.

-----Mensaje original-----
De: owner-postfix-userspostfix.org [mailto:owner-postfix-userspostfix.org]
En nombre de Wietse Venema
Enviado el: lunes, 01 de octubre de 2007 21:43
Para: Postfix users
Asunto: Re: To personalize NonDelivery Request (rejected e-mail) to sender

Carlos Jiménez:
> For instance, when someone sends an e-mail and his IP address is on a RBL,
> my mail Gateway sends him automatically an e-mail with some text
indicating
> his IP is on a RBL and an URL where he can see the RBL and the reason of
his
> including there (and maybe the way to extract the IP from there). I?d like

Never send mail in response to spam or worms.

Instead, configure Postfix so that the SMTP server rejects it
with a suitable SMTP server reply.

        Wietse

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