# ---
# see: https://forum.howtoforge.de/threads/postfix-sender-blockieren-mit-wildcard-filter.9637/
/^Subject: =\?big5\?/ REJECT Chinese encoding not accepted by this server
/^Subject: =?EUC-KR?/ REJECT Korean encoding not allowed by this server
/^Subject: ADV:/ REJECT Advertisements not accepted by this server
/^Subject: =?Windows-1251?/ REJECT Russian encoding not allowed by this server
/^Subject: =\?KOI8-R\?/ REJECT Russian encoding not allowed by this server
/^Subject:.*=\?(big5|euc-kr|gb2312|ks_c_5601-1987)\?/ REJECT Language not accepted by this server as it is probably spam
/^From:.*\@.*\.cn/ REJECT Sorry, Chinese mail not allowed here
/^From:.*\@.*\.kr/ REJECT Sorry, Korean mail not allowed here
/^From:.*\@.*\.tr/ REJECT Sorry, Turkish mail not allowed here
/^From:.*\@.*\.ru/ REJECT Sorry, Russian mail not allowed here
/^From:.*\@.*\.ro/ REJECT Sorry, Romanian mail not allowed here
/^From:.*\@.*\.mx/ REJECT Sorry, Mexican mail is not allowed here.
/^From:.*bounce/ REJECT Sorry, no Spam
postfix reload
# ---
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# see: https://dokuwiki.tachtler.net/doku.php?id=tachtler:postfix#etc_postfix_header_checks
/etc/postfix/header_checks
==========================
/^Received: from localhost/ IGNORE
/^Received:.*spam\.com REJECT Header-Spamschutzregel RECD-1000
# Weitere Beispiele
if /^From:/i
/^From:.*spam.org/ REJECT Header-Spamschutzregel FROM-1001
Endif
if /^To:/i
/^To:.*spam.net/ REJECT Header-Spamschutzregel TOTO-1002
Endif
if /^Subject:/i
/^Subject:.*Gratisaktion.*/ REJECT Header-Spamschutzregel SUBJ-1003
Endif
# Spezielles Beispiel
/^(To|From|Cc|Reply-To):.*@spam.gov/ REJECT Header-Spamschutzregel MULT-1004
/etc/postfix/body_checks:
========================
/.*spam\.(org|net|com)/ REJECT Body-Spamschutzregel TEXT-1000
# ---
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# see: https://mviess.de/sysadm/Linux/Postfix%2C%20Dovecot%20%26%20Co/Postfix%20UCE%20HOWTO%20auf%20deutsch.pdf
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# see: https://dokuwiki.nausch.org/doku.php/centos:mailserver:grundabsicherung_von_postfix
# ---
# ---
# see: https://dokuwiki.nausch.org/doku.php/centos:mail_c7:spam_5
# ---
