composites { FORGED_RECIPIENTS_MAILLIST { expression = "FORGED_RECIPIENTS & -MAILLIST"; } FORGED_SENDER_MAILLIST { expression = "FORGED_SENDER & -MAILLIST"; } FORGED_SENDER_FORWARDING { expression = "FORGED_SENDER & g:forwarding"; description = "Forged sender, but message is forwarded"; policy = "remove_weight"; } SPF_FAIL_FORWARDING { expression = "g:forwarding & (R_SPF_SOFTFAIL | R_SPF_FAIL)"; policy = "remove_weight"; } DMARC_POLICY_ALLOW_WITH_FAILURES { expression = "DMARC_POLICY_ALLOW & (R_SPF_SOFTFAIL | R_SPF_FAIL | R_DKIM_REJECT)"; policy = "remove_weight"; } FORGED_RECIPIENTS_FORWARDING { expression = "FORGED_RECIPIENTS & g:forwarding"; policy = "remove_weight"; } FORGED_SENDER_VERP_SRS { expression = "FORGED_SENDER & (ENVFROM_PRVS | ENVFROM_VERP)"; } FORGED_MUA_MAILLIST { expression = "g:mua & -MAILLIST"; } RBL_SPAMHAUS_XBL_ANY { expression = "RBL_SPAMHAUS_XBL & RECEIVED_SPAMHAUS_XBL"; description = "From and Received address are listed in Spamhaus XBL"; } AUTH_NA { expression = "R_DKIM_NA & R_SPF_NA & DMARC_NA & ARC_NA"; score = 1.0; policy = "remove_weight"; description = "Authenticating message via SPF/DKIM/DMARC/ARC not possible"; } DKIM_MIXED { expression = "-R_DKIM_ALLOW & (R_DKIM_DNSFAIL | R_DKIM_PERMFAIL | R_DKIM_REJECT)" policy = "remove_weight"; } MAIL_RU_MAILER_BASE64 { expression = "MAIL_RU_MAILER & (FROM_EXCESS_BASE64 | MIME_BASE64_TEXT | REPLYTO_EXCESS_BASE64 | SUBJ_EXCESS_BASE64 | TO_EXCESS_BASE64)"; } YANDEX_RU_MAILER_CTYPE_MIXED_BOGUS { expression = "YANDEX_RU_MAILER & -HAS_ATTACHMENT & CTYPE_MIXED_BOGUS"; } MAILER_1C_8_BASE64 { expression = "MAILER_1C_8 & (FROM_EXCESS_BASE64 | MIME_BASE64_TEXT | SUBJ_EXCESS_BASE64 | TO_EXCESS_BASE64)"; description = "Message was sent by '1C:Enterprise 8' and uses base64 encoded data"; } HACKED_WP_PHISHING { expression = "(HAS_X_POS | HAS_PHPMAILER_SIG) & HAS_WP_URI & (PHISHING | DBL_PHISH | PHISHED_OPENPHISH | PHISHED_PHISHTANK)"; description = "Phish message sent by hacked Wordpress instance"; policy = "leave"; } COMPROMISED_ACCT_BULK { expression = "(HAS_XOIP | RCVD_FROM_SMTP_AUTH) & DCC_BULK"; description = "Likely to be from a compromised account"; score = 3.0; policy = "leave"; } UNDISC_RCPTS_BULK { expression = "DCC_BULK & (MISSING_TO | R_UNDISC_RCPT)"; description = "Missing or undisclosed recipients with a bulk signature"; score = 3.0; policy = "leave"; } RCVD_UNAUTH_PBL { expression = "RECEIVED_PBL & !RCVD_VIA_SMTP_AUTH"; description = "Relayed through ZEN PBL IP without sufficient authentication (possible indicating an open relay)"; score = 2.0; policy = "leave"; } RCVD_DKIM_ARC_DNSWL_MED { expression = "(R_DKIM_ALLOW | ARC_ALLOW) & RCVD_IN_DNSWL_MED"; description = "Sufficiently DKIM/ARC signed and received from IP with medium trust at DNSWL"; score = -0.5; policy = "leave"; } RCVD_DKIM_ARC_DNSWL_HI { expression = "(R_DKIM_ALLOW | ARC_ALLOW) & RCVD_IN_DNSWL_HI"; description = "Sufficiently DKIM/ARC signed and received from IP with high trust at DNSWL"; score = -1.0; policy = "leave"; } AUTOGEN_PHP_SPAMMY { expression = "(HAS_X_POS | HAS_PHPMAILER_SIG | HAS_X_PHP_SCRIPT) & (SUBJECT_ENDS_QUESTION | SUBJECT_ENDS_EXCLAIM | MANY_INVISIBLE_PARTS)"; description = "Message was generated by PHP script and contains some spam indicators"; score = 1.0; policy = "leave"; } PHISH_EMOTION { expression = "(PHISHING | DBL_PHISH | PHISHED_OPENPHISH | PHISHED_PHISHTANK) & (SUBJECT_ENDS_QUESTION | SUBJECT_ENDS_EXCLAIM)"; description = "Phish message with subject trying to address users emotion"; score = 1.0; policy = "leave"; } HAS_ANON_DOMAIN { expression = "HAS_GUC_PROXY_URI | URIBL_RED | DBL_ABUSE_REDIR | HAS_ONION_URI"; description = "Contains one or more domains trying to disguise owner/destination"; score = 0.1; policy = "leave"; } BAD_REP_POLICIES { description = "Contains valid policies but are also marked by fuzzy/bayes/surbl/rbl"; expression = "(~g-:policies) & (-g+:fuzzy | -g+:bayes | -g+:surbl | -g+:rbl)"; score = 0.1; } VIOLATED_DIRECT_SPF { description = "Has no Received (or no trusted received relays) and SPF policy fails or soft fails"; expression = "(R_SPF_FAIL | R_SPF_SOFTFAIL) & (RCVD_COUNT_ZERO | RCVD_NO_TLS_LAST)"; policy = "leave"; score = 3.5; } LEAKED_PASSWORD_SPAM_FP { description = "Looks like a BTC pattern but address syntax is invalid", expression = "LEAKED_PASSWORD_SCAM_INVALID & LEAKED_PASSWORD_SCAM"; policy = "remove_all"; score = 0.0; # To negate LEAKED_PASSWORD_SCAM } IP_SCORE_FREEMAIL { description = "Negate IP_SCORE when message comes from FreeMail"; expression = "FREEMAIL_FROM & IP_SCORE"; score = 0.0; policy = "remove_weight"; } }