From: Wietse Venema (wietseporcupine.org)
Date: Thu Oct 01 2009 - 12:34:01 CDT

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Jose Maria Sanchez de Ocana:
> OK, so now here is my problem: When my postfix receives a SPAM message
> bound for one of my accounts, this email is forwarded to gmail's SMTP
> server directly. But then gmail's SPAM filter rejects this message and
> here starts my problem. AFAIK what postfix should do is bounce the
> message to the SPAM source address.

The REAL mistake in your setup is that you forward SPAM into gmail.
This causes gmail to treat your machine as a SPAMMER, and may affect
legitimate mail that you do want to receive.

You must NEVER bounce SPAM to the sender address, because in most
cases that is not the sender.

        Wietse

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