Am 27.08.2012 16:33, schrieb Reindl Harald:
Am 27.08.2012 16:30, schrieb Ilja Beeskow:
Am 27.08.2012 13:17, schrieb Jan Geep:
[...] until recently people have started
receiving spam email that appear to be sent from my domain.
From: myn...@example.com
To: myn...@example.com
Subject: Fwd: Re: Scan from a Hewlett-Packard ScanJet 1234
But the return path is along the lines of:
Return-Path: <somen...@spammer.com>
smtpd_recipient_restrictions = permit_sasl_authenticated,
permit_mynetworks,..., check_sender_access
hash:/etc/postfix/not_our_domain_as_sender
with /etc/postfix/not_our_domain_as_sender
example.com REJECT Sorry, sender not permitted!
FROM-header is not relevant for the SMTP protocol
@Harald: Yes, I know! It's rejecting everybody who says he was
anyb...@example.com during the 'MAIL FROM:' smtp command.
@Jan: Could you please show us a corresponding log file entry?
