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- # Composites setup
- # Please don't modify this file as your changes might be overwritten with
- # the next update.
- #
- # You can modify '$LOCAL_CONFDIR/rspamd.conf.local.override' to redefine
- # parameters defined on the top level
- #
- # You can modify '$LOCAL_CONFDIR/rspamd.conf.local' to add
- # parameters defined on the top level
- #
- # For specific modules or configuration you can also modify
- # '$LOCAL_CONFDIR/local.d/file.conf' - to add your options or rewrite defaults
- # '$LOCAL_CONFDIR/override.d/file.conf' - to override the defaults
- #
- # See https://rspamd.com/doc/tutorials/writing_rules.html for details
-
- composites {
-
- FORGED_RECIPIENTS_MAILLIST {
- expression = "FORGED_RECIPIENTS & -MAILLIST";
- }
- FORGED_SENDER_MAILLIST {
- expression = "FORGED_SENDER & -MAILLIST";
- }
- FORGED_SENDER_FORWARDING {
- expression = "FORGED_SENDER & g:forwarding";
- 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 and -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";
- score = 1.0;
- policy = "remove_weight";
- description = "Authenticating message via SPF/DKIM/DMARC 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)";
- }
- 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;
- }
- 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 = -1.5;
- }
- 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 = -3.5;
- }
- 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;
- }
- 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 = 2.0;
- }
- HAS_ANON_DOMAIN {
- expression = "HAS_GUC_PROXY_URI | URIBL_RED | DBL_ABUSE_REDIR";
- description = "Contains one or more domains trying to disguise owner/destination";
- score = 0.5;
- }
-
- .include(try=true; priority=1; duplicate=merge) "$LOCAL_CONFDIR/local.d/composites.conf"
- .include(try=true; priority=10) "$LOCAL_CONFDIR/override.d/composites.conf"
- }
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