Hi, pcre header checks we use. Not all the time, depends on spam volume from these valuable enterprises.
#/sjmedia.us/ REJECT A mass mail service abused by criminals #/bmsend.com/ REJECT A mass mail service abused by criminals #/mailgun.net/ REJECT A mass mail service abused by criminals #/rsgsv.net/ REJECT A mass mail service abused by criminals #/mcsv.net/ REJECT A mass mail service abused by criminals #/sendgrid.net/ REJECT A mass mail service abused by criminals #/crsend.com/ REJECT A mass mail service abused by criminals #/zcsend.net/ REJECT A mass mail service abused by criminals I forgot if all those can be catched by limiting it to the Received-Line. Greets, Ludi -----Ursprüngliche Nachricht----- Von: owner-postfix-us...@postfix.org <owner-postfix-us...@postfix.org> Im Auftrag von Christian Schmitz Gesendet: Freitag, 17. September 2021 14:41 An: postfix-users@postfix.org Betreff: Spam pass the filter Hi everyone: Normally when i identify a host spammer i block entire server. Today i receive one spam email. The origin is "mailgun.net", i already have a rule to block him, but the email pass with no problem. I want stop the email, what is wrong? The header, config and rules are the following. Best Regards and thanks in advance Christian