# SpamAssassin rules file: DNS blacklist tests # # Please don't modify this file as your changes will be overwritten with # the next update. Use @@LOCAL_RULES_DIR@@/local.cf instead. # See 'perldoc Mail::SpamAssassin::Conf' for details. # # <@LICENSE> # Licensed to the Apache Software Foundation (ASF) under one or more # contributor license agreements. See the NOTICE file distributed with # this work for additional information regarding copyright ownership. # The ASF licenses this file to you under the Apache License, Version 2.0 # (the "License"); you may not use this file except in compliance with # the License. You may obtain a copy of the License at: # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # ########################################################################### require_version @@VERSION@@ ########################################################################### ifplugin Mail::SpamAssassin::Plugin::DNSEval # See the Mail::SpamAssassin::Conf manual page for details of how to use # check_rbl(). # --------------------------------------------------------------------------- # Multizone / Multi meaning BLs first. # # Note that currently TXT queries cannot be used for these, since the # DNSBLs do not return the A type (127.0.0.x) as part of the TXT reply. # Well, at least NJABL doesn't, it seems, as of Apr 7 2003. # --------------------------------------------------------------------------- # NJABL # URL: http://www.dnsbl.njabl.org/ header __RCVD_IN_NJABL eval:check_rbl('njabl', 'combined.njabl.org.') describe __RCVD_IN_NJABL Received via a relay in combined.njabl.org tflags __RCVD_IN_NJABL net reuse __RCVD_IN_NJABL header RCVD_IN_NJABL_RELAY eval:check_rbl_sub('njabl', '127.0.0.2') describe RCVD_IN_NJABL_RELAY NJABL: sender is confirmed open relay tflags RCVD_IN_NJABL_RELAY net reuse RCVD_IN_NJABL_RELAY # NJABL DUL: obsoleted by PBL (bug 5187) header RCVD_IN_NJABL_SPAM eval:check_rbl_sub('njabl', '127.0.0.4') describe RCVD_IN_NJABL_SPAM NJABL: sender is confirmed spam source tflags RCVD_IN_NJABL_SPAM net reuse RCVD_IN_NJABL_SPAM header RCVD_IN_NJABL_MULTI eval:check_rbl_sub('njabl', '127.0.0.5') describe RCVD_IN_NJABL_MULTI NJABL: sent through multi-stage open relay tflags RCVD_IN_NJABL_MULTI net reuse RCVD_IN_NJABL_MULTI header RCVD_IN_NJABL_CGI eval:check_rbl_sub('njabl', '127.0.0.8') describe RCVD_IN_NJABL_CGI NJABL: sender is an open formmail tflags RCVD_IN_NJABL_CGI net reuse RCVD_IN_NJABL_CGI header RCVD_IN_NJABL_PROXY eval:check_rbl_sub('njabl', '127.0.0.9') describe RCVD_IN_NJABL_PROXY NJABL: sender is an open proxy tflags RCVD_IN_NJABL_PROXY net reuse RCVD_IN_NJABL_PROXY # --------------------------------------------------------------------------- # SORBS # transfers: both axfr and ixfr available # URL: http://www.dnsbl.sorbs.net/ # pay-to-use: no # delist: $50 fee for RCVD_IN_SORBS_SPAM, others have free retest on request header __RCVD_IN_SORBS eval:check_rbl('sorbs', 'dnsbl.sorbs.net.') describe __RCVD_IN_SORBS SORBS: sender is listed in SORBS tflags __RCVD_IN_SORBS net reuse __RCVD_IN_SORBS header RCVD_IN_SORBS_HTTP eval:check_rbl_sub('sorbs', '127.0.0.2') describe RCVD_IN_SORBS_HTTP SORBS: sender is open HTTP proxy server tflags RCVD_IN_SORBS_HTTP net reuse RCVD_IN_SORBS_HTTP header RCVD_IN_SORBS_SOCKS eval:check_rbl_sub('sorbs', '127.0.0.3') describe RCVD_IN_SORBS_SOCKS SORBS: sender is open SOCKS proxy server tflags RCVD_IN_SORBS_SOCKS net reuse RCVD_IN_SORBS_SOCKS header RCVD_IN_SORBS_MISC eval:check_rbl_sub('sorbs', '127.0.0.4') describe RCVD_IN_SORBS_MISC SORBS: sender is open proxy server tflags RCVD_IN_SORBS_MISC net reuse RCVD_IN_SORBS_MISC header RCVD_IN_SORBS_SMTP eval:check_rbl_sub('sorbs', '127.0.0.5') describe RCVD_IN_SORBS_SMTP SORBS: sender is open SMTP relay tflags RCVD_IN_SORBS_SMTP net reuse RCVD_IN_SORBS_SMTP # delist: $50 fee #header RCVD_IN_SORBS_SPAM eval:check_rbl_sub('sorbs', '127.0.0.6') #describe RCVD_IN_SORBS_SPAM SORBS: sender is a spam source #tflags RCVD_IN_SORBS_SPAM net #reuse RCVD_IN_SORBS_SPAM RCVD_IN_SORBS_SPAM header RCVD_IN_SORBS_WEB eval:check_rbl_sub('sorbs', '127.0.0.7') describe RCVD_IN_SORBS_WEB SORBS: sender is a abuseable web server tflags RCVD_IN_SORBS_WEB net reuse RCVD_IN_SORBS_WEB header RCVD_IN_SORBS_BLOCK eval:check_rbl_sub('sorbs', '127.0.0.8') describe RCVD_IN_SORBS_BLOCK SORBS: sender demands to never be tested tflags RCVD_IN_SORBS_BLOCK net reuse RCVD_IN_SORBS_BLOCK header RCVD_IN_SORBS_ZOMBIE eval:check_rbl_sub('sorbs', '127.0.0.9') describe RCVD_IN_SORBS_ZOMBIE SORBS: sender is on a hijacked network tflags RCVD_IN_SORBS_ZOMBIE net reuse RCVD_IN_SORBS_ZOMBIE header RCVD_IN_SORBS_DUL eval:check_rbl('sorbs-lastexternal', 'dnsbl.sorbs.net.', '127.0.0.10') describe RCVD_IN_SORBS_DUL SORBS: sent directly from dynamic IP address tflags RCVD_IN_SORBS_DUL net reuse RCVD_IN_SORBS_DUL # --------------------------------------------------------------------------- # Spamhaus SBL+XBL, now called Zen # # Spamhaus XBL contains both the Abuseat CBL (cbl.abuseat.org) and Blitzed # OPM (opm.blitzed.org) lists so it's not necessary to query those as well. header __RCVD_IN_ZEN eval:check_rbl('zen', 'zen.spamhaus.org.') describe __RCVD_IN_ZEN Received via a relay in Spamhaus Zen tflags __RCVD_IN_ZEN net reuse __RCVD_IN_ZEN # SBL is the Spamhaus Block List: http://www.spamhaus.org/sbl/ header RCVD_IN_SBL eval:check_rbl_sub('zen', '127.0.0.2') describe RCVD_IN_SBL Received via a relay in Spamhaus SBL tflags RCVD_IN_SBL net reuse RCVD_IN_SBL # XBL is the Exploits Block List: http://www.spamhaus.org/xbl/ header RCVD_IN_XBL eval:check_rbl('zen-lastexternal', 'zen.spamhaus.org.', '127.0.0.[45678]') describe RCVD_IN_XBL Received via a relay in Spamhaus XBL tflags RCVD_IN_XBL net reuse RCVD_IN_XBL # PBL is the Policy Block List: http://www.spamhaus.org/pbl/ header RCVD_IN_PBL eval:check_rbl('zen-lastexternal', 'zen.spamhaus.org.', '127.0.0.1[01]') describe RCVD_IN_PBL Received via a relay in Spamhaus PBL tflags RCVD_IN_PBL net reuse RCVD_IN_PBL RCVD_IN_PBL T_RCVD_IN_PBL_WITH_NJABL_DUL RCVD_IN_NJABL_DUL # --------------------------------------------------------------------------- # RFC-Ignorant blacklists (both name and IP based) header __RFC_IGNORANT_ENVFROM eval:check_rbl_envfrom('rfci_envfrom', 'fulldom.rfc-ignorant.org.') tflags __RFC_IGNORANT_ENVFROM net header DNS_FROM_RFC_DSN eval:check_rbl_sub('rfci_envfrom', '127.0.0.2') describe DNS_FROM_RFC_DSN Envelope sender in dsn.rfc-ignorant.org tflags DNS_FROM_RFC_DSN net reuse DNS_FROM_RFC_DSN header DNS_FROM_RFC_BOGUSMX eval:check_rbl_sub('rfci_envfrom', '127.0.0.8') describe DNS_FROM_RFC_BOGUSMX Envelope sender in bogusmx.rfc-ignorant.org tflags DNS_FROM_RFC_BOGUSMX net reuse DNS_FROM_RFC_BOGUSMX # bug 4628: these rules are too unreliable to assign scores to header __DNS_FROM_RFC_POST eval:check_rbl_sub('rfci_envfrom', '127.0.0.3') tflags __DNS_FROM_RFC_POST net reuse __DNS_FROM_RFC_POST DNS_FROM_RFC_POST header __DNS_FROM_RFC_ABUSE eval:check_rbl_sub('rfci_envfrom', '127.0.0.4') tflags __DNS_FROM_RFC_ABUSE net reuse __DNS_FROM_RFC_ABUSE DNS_FROM_RFC_ABUSE header __DNS_FROM_RFC_WHOIS eval:check_rbl_sub('rfci_envfrom', '127.0.0.5') tflags __DNS_FROM_RFC_WHOIS net reuse __DNS_FROM_RFC_WHOIS DNS_FROM_RFC_WHOIS # --------------------------------------------------------------------------- # Now, single zone BLs follow: # another domain-based blacklist header DNS_FROM_AHBL_RHSBL eval:check_rbl_envfrom('ahbl', 'rhsbl.ahbl.org.') describe DNS_FROM_AHBL_RHSBL Envelope sender listed in dnsbl.ahbl.org tflags DNS_FROM_AHBL_RHSBL net reuse DNS_FROM_AHBL_RHSBL # --------------------------------------------------------------------------- # NOTE: donation tests, see README file for details header RCVD_IN_BL_SPAMCOP_NET eval:check_rbl_txt('spamcop', 'bl.spamcop.net.', '(?i:spamcop)') describe RCVD_IN_BL_SPAMCOP_NET Received via a relay in bl.spamcop.net tflags RCVD_IN_BL_SPAMCOP_NET net reuse RCVD_IN_BL_SPAMCOP_NET # --------------------------------------------------------------------------- # NOTE: commercial tests, see README file for details header RCVD_IN_MAPS_RBL eval:check_rbl('rblplus', 'activationcode.r.mail-abuse.com.', '1') describe RCVD_IN_MAPS_RBL Relay in RBL, http://www.mail-abuse.com/enduserinfo_rbl.html tflags RCVD_IN_MAPS_RBL net header RCVD_IN_MAPS_DUL eval:check_rbl('rblplus-lastexternal', 'activationcode.r.mail-abuse.com.', '2') describe RCVD_IN_MAPS_DUL Relay in DUL, http://www.mail-abuse.com/enduserinfo_dul.html tflags RCVD_IN_MAPS_DUL net header RCVD_IN_MAPS_RSS eval:check_rbl_sub('rblplus', '4') describe RCVD_IN_MAPS_RSS Relay in RSS, http://www.mail-abuse.com/enduserinfo_rss.html tflags RCVD_IN_MAPS_RSS net header RCVD_IN_MAPS_OPS eval:check_rbl_sub('rblplus', '8') describe RCVD_IN_MAPS_OPS Relay in OPS, http://www.mail-abuse.com/enduserinfo_ops.html tflags RCVD_IN_MAPS_OPS net # The NML isn't part of the RBL+ and I find any documentation for it - is it dead? header RCVD_IN_MAPS_NML eval:check_rbl('nml', 'nonconfirm.mail-abuse.com.') describe RCVD_IN_MAPS_NML Relay in NML, http://www.mail-abuse.com/enduserinfo_nml.html tflags RCVD_IN_MAPS_NML net # --------------------------------------------------------------------------- # Section for DNS WL related lookups below. # Sender Score Certified (formerly Bonded Sender, hence the legacy rule names): # http://www.senderscorecertified.com/ header RCVD_IN_BSP_TRUSTED eval:check_rbl_txt('bsp-firsttrusted', 'sa-trusted.bondedsender.org.', '(?i:bonded)') describe RCVD_IN_BSP_TRUSTED Sender is accredited by Return Path's Sender Score Certified program; report issues to senderscorecertified.com@abuse.net tflags RCVD_IN_BSP_TRUSTED net nice reuse RCVD_IN_BSP_TRUSTED # confirmed-opt-in list; see bug 5476 header RCVD_IN_SSC_TRUSTED_COI eval:check_rbl('ssc-firsttrusted', 'plus.bondedsender.org.') describe RCVD_IN_SSC_TRUSTED_COI Sender is accredited by Return Path's Sender Score Certified (confirmed opt-in) tflags RCVD_IN_SSC_TRUSTED_COI net nice reuse RCVD_IN_SSC_TRUSTED_COI # --------------------------------------------------------------------------- # IADB support ... header __RCVD_IN_IADB eval:check_rbl('iadb-firsttrusted', 'iadb.isipp.com.') tflags __RCVD_IN_IADB net nice header RCVD_IN_IADB_VOUCHED eval:check_rbl_sub('iadb-firsttrusted', '^127.0.1.255$') describe RCVD_IN_IADB_VOUCHED ISIPP IADB lists as vouched-for sender tflags RCVD_IN_IADB_VOUCHED net nice # --------------------------------------------------------------------------- # Habeas Accredited Senders # Last octet of the returned A record indicates the Habeas-assigned # "Permission Level" of the Sender. # 10 to 39 Personal, transactional, and Confirmed Opt In # 40 to 59 Secure referrals and Single Opt In # 60 to 99 Checked but not accredited by Habeas. # # sa-accredit.habeas.com is for SpamAssassin use. # header HABEAS_ACCREDITED_COI eval:check_rbl('habeas-firsttrusted', 'sa-accredit.habeas.com.', '127\.\d+\.\d+\.[123]\d') describe HABEAS_ACCREDITED_COI Sender is accredited by Return Path's Sender Score Safelist program, and uses Confirmed Opt-In; report issues to habeas.com@abuse.net tflags HABEAS_ACCREDITED_COI net nice header HABEAS_ACCREDITED_SOI eval:check_rbl_sub('habeas-firsttrusted', '127\.\d+\.\d+\.[45]\d') describe HABEAS_ACCREDITED_SOI Sender is accredited by Return Path's Sender Score Safelist program, and uses Opt-In or better; report issues to habeas.com@abuse.net tflags HABEAS_ACCREDITED_SOI net nice # Habeas Accredited Senders, with check for "Accreditor Assertion" # Same Habeas whitelist checks as above, but performed only if the Sender # has specified Habeas as their accreditor in either the EnvelopeFrom or # "Accreditor" header field. This reduces the DNS overhead, but will # miss senders who are unable to add custom header fields. # # header HABEAS_ACCREDITED_COI eval:check_rbl_accreditor('accredit-firsttrusted', 'sa-accredit.habeas.com.', '127\.\d+\.\d+\.[123]\d', 'habeas') # describe HABEAS_ACCREDITED_COI Habeas Accredited Confirmed Opt-In or Better # tflags HABEAS_ACCREDITED_COI net nice # # header HABEAS_ACCREDITED_SOI eval:check_rbl_accreditor('accredit-firsttrusted', 'sa-accredit.habeas.com.', '127\.\d+\.\d+\.[45]\d', 'habeas') # describe HABEAS_ACCREDITED_SOI Habeas Accredited Opt-In or Better # tflags HABEAS_ACCREDITED_SOI net nice # endif