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Subject: Re: How did this REJECTED email bounce back?
From: Wietse Venema (wietseporcupine.org)
Date: Thu Oct 26 2000 - 15:18:57 CDT


Kevin Cosgrove:
>
> In my header_checks file I have:
>
> /^to: mydomainmydomain\.com*/ REJECT
>
> Which caused the original spam message to be rejected.
> But, notification of the rejection seems to have been sent
> back to the sender. I imagine the sender was spoofed or
> malconfigured, because that notification bounced back to me.

This is incorrect. If Postfix rejects the mail header, then Postfix
DOES NOT send a bounce message. If anyone sends a bounce, it is
the SMTP client, or it is the UUXQT program in case of mail that
comes in via UUCP.

        Wietse