# Django : 2012-02-06
# Kapitel 13.5 Filtern von eMails nach Inhalt
# In der Postfix-Konfigurationsdatei /etc/postfix/main.cf muss
# body_checks = pcre:/etc/postfix/header_check_maps gesetzt sein!
#
# Nach dem Ändern der Datei ist ein service postfix reload durchzuführen!
#
# Die Nummern hinter dem REJECT tauchen später als SMTP-Error und auch im Mailserver-Log auf.
# Die auslösende Filter-Regel, die den Block ausgeloest hat, ist somit leicht quwieder zu finden.
#

# Ausnahmeregelung für den sicheren IT-/Mailbetrieb im heimischen Netzwerk
#
# Domeus hat bis heute nicht den Unterschied zwischen Mailheader-To und
# SMTP-Envelope-To verstanden und fabriziert seit nunmehr über sieben Jahren in
# schöner Regelmäßigkeit Mailschleifen im vier/fünfstelligen Bereich.
#
/^Received:.*domeus\.com/       REJECT Domeus baut Mailschleifen und hat wichtige RFCs nicht verstanden
#
# Dauerhaft genutzte Regelungen:
# ===============================================
# [Immer mit aufsteiger Nummer sauber eintragen!]
#
If /^Subject:/i
/^Subject:.*Webcam Luder.*/                             REJECT Header-Subject-Spamschutzregel Subj-1002
/^Subject:.*Potenzprobleme.*/                           REJECT Header-Subject-Spamschutzregel Subj-1001
/^Subject:.*RedBull fur Ihr bestes Stueck/              REJECT Header-Subject-Spamschutzregel Subj-1000
Endif
#
# und das Ganze nach Header-From
# ==============================
#
If /^From:/i
/^From: .*Royal Club Casino.*/                          REJECT Header-From-Spamschutzregel From-1002
/^From: .*Euro Dice Casino.*/                           REJECT Header-From-Spamschutzregel From-1001
/^From:.*happydigits.de/                                REJECT Header-From-Spamschutzregel From-1000
Endif
#
# generelle Filerregelungen nach den üblichen Verdächtigen
# ========================================================
#
/^Date: .* 200[0-7]/                                    REJECT Your email has a date from the past. Fix your system clock and try again.
/^Date: .* 19[0-9][0-9]/                                REJECT Your email has a date from the past. Fix your system clock and try again.
If /^X-Mailer:/i
/^X-Mailer: 0001/                                       REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: Avalanche/                                  REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: Crescent Internet Tool/                     REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: DiffondiCool/                               REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: E-Mail Delivery Agent/                      REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: Emailer Platinum/                           REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: Entity/                                     REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: Extractor/                                  REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: Floodgate/                                  REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: GOTO Software Sarbacane/                    REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: MailWorkz/                                  REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: MassE-Mail/                                 REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: MaxBulk.Mailer/                             REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: News Breaker Pro/                           REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: SmartMailer/                                REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: StormPort/                                  REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
/^X-Mailer: SuperMail-2/                                REJECT You used an email program that is used almost exclusively for spam. We do not accept email sent using this program.
Endif