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