Re: Open relay, why?

From: Wietse Venema (no email)
Date: Tue Jan 01 2002 - 21:02:58 EST


Administrator [Ilustración 10]:
> smtpd_recipient_restrictions = ...
> check_sender_access hash:/etc/postfix/sender_access,
> check_sender_access hash:/etc/postfix/sender_restrictions,
> ...

If you use check_sender_access in this way then you make yourself
an open relay for anyone who can guess a sender address.

        Wietse
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