| # SpamAssassin rules file: dynamic-ish rDNS 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. |
| # |
| # We should write a new ruletype for these, to save typing. |
| # |
| # <@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. |
| # </@LICENSE> |
| # |
| ########################################################################### |
| |
| require_version @@VERSION@@ |
| |
| # --------------------------------------------------------------------------- |
| |
| # Note the '^[^\]]+ ' stanza: this ensures that we only match spamware |
| # connecting to a internal relay; if a mail came from a dynamic addr but |
| # was relayed through their smarthost, that's fine. |
| |
| # See bug #5856, all references of "trusted" were changed to "external" |
| |
| # All of the RDNS_DYNAMIC rules require that the last external relay |
| # did not use SMTP authentication. These rules should not be firing on |
| # friendlies! |
| header __LAST_UNTRUSTED_RELAY_NO_AUTH X-Spam-Relays-Untrusted =~ /^[^\]]+ auth= / |
| header __LAST_EXTERNAL_RELAY_NO_AUTH X-Spam-Relays-External =~ /^[^\]]+ auth= / |
| |
| # dhcp024-210-034-053.columbus.rr.com [24.210.34.53] |
| # c-66-176-16-108.se.client2.attbi.com [66.176.16.108] |
| # c-67-168-174-61.client.comcast.net [67.168.174.61] |
| # NNN-NNN-NNN-NNN.fibertel.com.ar |
| # NN.NN.NNN.NNN.ap.yournet.ne.jp |
| # NN.NNN.NN-NN.rev.gaoland.net |
| # vaise-1-82-67-44-166.fbx.proxad.net [82.67.44.166] |
| # lns-vlq-11-62-147-186-141.adsl.proxad.net [62.147.186.141] |
| # dsl-200-95-109-107.prod-infinitum.com.mx [200.95.109.107] |
| # port-212-202-77-203.reverse.qsc.de [212.202.77.203] |
| # pool-151-203-32-68.bos.east.verizon.net [151.203.32.68] |
| # c-67-164-133-216.client.comcast.net [67.164.133.216] |
| # 200-171-228-6.customer.telesp.net.br [200.171.228.6] |
| # modemcable090.28-201-24.mc.videotron.ca [24.201.28.90] |
| # 80-218-47-160.dclient.hispeed.ch [80.218.47.160] |
| # cdm-68-226-239-16.laft.cox-internet.com [68.226.239.16] |
| # d53-64-35-171.nap.wideopenwest.com [64.53.171.35] |
| # 74.67-201-80.adsl.skynet.be [80.201.67.74] |
| # 12-218-225-223.client.mchsi.com [12.218.225.223] |
| # pptp-81-30-186-139.ufanet.ru [81.30.186.139] |
| # (require an alpha first, as legit HELO'ing-as-IP-address is hit otherwise) |
| header __RDNS_DYNAMIC_IPADDR X-Spam-Relays-External =~ /^[^\]]+ rdns=(?![^\s\]]+[-.]static[-.])\S*\d+[^\d\s]\d+[^\d\s]\d+[^\d\s]\d+\S*\.\S+\.\S/i |
| describe __RDNS_DYNAMIC_IPADDR Relay HELO'd using suspicious hostname (IP addr 1) |
| |
| # dhcp024-210-034-053.columbus.rr.com [24.210.34.53] |
| # catv-506237d8.miskcatv.broadband.hu [80.98.55.216] |
| # node-c-8b22.a2000.nl |
| # cm89.omega139.maxonline.com.sg |
| # cm114.gamma208.maxonline.com.sg |
| header __RDNS_DYNAMIC_DHCP X-Spam-Relays-External =~ /^[^\]]+ rdns=\S*(?:cm|catv|docsis|cable|dsl|dhcp|cpe|node)\S*\d+[^\d\s]+\d/i |
| describe __RDNS_DYNAMIC_DHCP Relay HELO'd using suspicious hostname (DHCP) |
| |
| # fia83-8.dsl.hccnet.nl [62.251.8.83] |
| # fia160-115-100.dsl.hccnet.nl [80.100.115.160] |
| header __RDNS_DYNAMIC_HCC X-Spam-Relays-External =~ /^[^\]]+ rdns=\S*\d+[^\d\s]+\d+\S*\.(?:docsis|cable|dsl|adsl|dhcp|cpe)\./i |
| describe __RDNS_DYNAMIC_HCC Relay HELO'd using suspicious hostname (HCC) |
| |
| # h0002a5d76857.ne.client2.attbi.com [65.96.12.59] |
| header __RDNS_DYNAMIC_ATTBI X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+\d+\S+\.client2\.attbi\.com/i |
| describe __RDNS_DYNAMIC_ATTBI Relay HELO'd using suspicious hostname (ATTBI.com) |
| |
| # CPE0004e2372711-CM000a73666706.cpe.net.cable.rogers.com |
| # CPE00e0184f0eba-CM014490118324.cpe.net.cable.rogers.com [24.43.109.140] |
| header __RDNS_DYNAMIC_ROGERS X-Spam-Relays-External =~ /^[^\]]+ rdns=CPE\d+\S+\.rogers\.com/i |
| describe __RDNS_DYNAMIC_ROGERS Relay HELO'd using suspicious hostname (Rogers) |
| |
| # ca-morpark-cuda1-zone7-b-159.vnnyca.adelphia.net[67.23.129.159] |
| # tn-greenvillecuda1cable7a-36.atlaga.adelphia.net [68.171.113.36] |
| # ky-richmond2a-123.rhmdky.adelphia.net [68.71.36.123] |
| # ny-lackawannacadent4-chtwga3a-b-117.buf.adelphia.net [68.71.205.117] |
| # fl-edel-u2-c3c-233.pbc.adelphia.net [68.64.89.233] |
| header __RDNS_DYNAMIC_ADELPHIA X-Spam-Relays-External =~ /^[^\]]+ rdns=[a-z]{2}-\S+-\d{1,3}\.[a-z]{3,8}\.adelphia\.net/i |
| describe __RDNS_DYNAMIC_ADELPHIA Relay HELO'd using suspicious hostname (Adelphia) |
| |
| # pD9E4F89F.dip.t-dialin.net [217.228.248.159] |
| header __RDNS_DYNAMIC_DIALIN X-Spam-Relays-External =~ /^[^\]]+ rdns=[a-z][A-F0-9]+\.dip\./ |
| describe __RDNS_DYNAMIC_DIALIN Relay HELO'd using suspicious hostname (T-Dialin) |
| |
| # 0xd5aaf40b.dhcp.kabelnettet.dk |
| # 0x50a46949.virnxx11.adsl-dhcp.tele.dk |
| header __RDNS_DYNAMIC_HEXIP X-Spam-Relays-External =~ /^[^\]]+ rdns=0x[a-f0-9]{8}\./ |
| describe __RDNS_DYNAMIC_HEXIP Relay HELO'd using suspicious hostname (Hex IP) |
| |
| # 118.Red-80-35-201.pooles.rima-tde.net |
| header __RDNS_DYNAMIC_SPLIT_IP X-Spam-Relays-External =~ /^[^\]]+ rdns=\d+\.\S+\d+[^\d\s]\d+[^\d\s]\d+[^\d\s]/ |
| describe __RDNS_DYNAMIC_SPLIT_IP Relay HELO'd using suspicious hostname (Split IP) |
| |
| # YahooBB219173000034.bbtec.net [219.173.0.34] |
| header __RDNS_DYNAMIC_YAHOOBB X-Spam-Relays-External =~ /^[^\]]+ rdns=YahooBB/i |
| describe __RDNS_DYNAMIC_YAHOOBB Relay HELO'd using suspicious hostname (YahooBB) |
| |
| # ool-18be1aaf.dyn.optonline.net [24.190.26.175] |
| header __RDNS_DYNAMIC_OOL X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+\.dyn\.optonline\.net/ |
| describe __RDNS_DYNAMIC_OOL Relay HELO'd using suspicious hostname (OptOnline) |
| |
| # wiley-170-10231.roadrunner.nf.net [205.251.210.249] |
| header __RDNS_DYNAMIC_RR2 X-Spam-Relays-External =~ /^[^\]]+ rdns=[a-z]+-\d{1,3}-\d{1,5}\.roadrunner/i |
| describe __RDNS_DYNAMIC_RR2 Relay HELO'd using suspicious hostname (RR 2) |
| |
| # pcp04024417pcs.toresd01.pa.comcast.net [68.86.206.126] |
| # bgp542174bgs.ewndsr01.nj.comcast.net[68.38.144.91] |
| # Computer-udp135632uds.union01.nj.comcast.net [68.39.99.32] |
| header __RDNS_DYNAMIC_COMCAST X-Spam-Relays-External =~ /^[^\]]+ rdns=[a-z-]+\d+[a-z]{3}\.[a-z0-9]+\...\.comcast/i |
| describe __RDNS_DYNAMIC_COMCAST Relay HELO'd using suspicious hostname (Comcast) |
| |
| # h234n2fls32o895.telia.com [217.208.73.234] |
| # h53n2fls32o828.telia.com |
| # h116n2fls32o1111.telia.com |
| # h29n1fls306o1003.telia.com |
| header __RDNS_DYNAMIC_TELIA X-Spam-Relays-External =~ /^[^\]]+ rdns=h\d+n\d+fls\S+\.telia\.com/i |
| describe __RDNS_DYNAMIC_TELIA Relay HELO'd using suspicious hostname (Telia) |
| |
| # CM-vina5-168-207.cm.vtr.net [200.104.168.207] |
| # CM-anto1-98-153.cm.vtr.net [200.104.98.153] |
| header __RDNS_DYNAMIC_VTR X-Spam-Relays-External =~ /^[^\]]+ rdns=cm-[a-z]+\d+-\d+-\d+\.cm\.vtr/i |
| describe __RDNS_DYNAMIC_VTR Relay HELO'd using suspicious hostname (VTR) |
| |
| # ec9z5l.cm.chello.no |
| header __RDNS_DYNAMIC_CHELLO_NO X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+\.cm\.chello\.no/i |
| describe __RDNS_DYNAMIC_CHELLO_NO Relay HELO'd using suspicious hostname (Chello.no) |
| |
| # g225174.upc-g.chello.nl |
| # a151145.upc-a.chello.nl |
| # a96134.upc-a.chello.nl |
| header __RDNS_DYNAMIC_CHELLO_NL X-Spam-Relays-External =~ /^[^\]]+ rdns=[a-z]\d+\.upc-[a-z]\.chello\.nl/i |
| describe __RDNS_DYNAMIC_CHELLO_NL Relay HELO'd using suspicious hostname (Chello.nl) |
| |
| # MG001182.user.veloxzone.com.br |
| # ba199058073.user.veloxzone.com.br |
| header __RDNS_DYNAMIC_VELOX X-Spam-Relays-External =~ /^[^\]]+ rdns=[a-z]{2}\d+\.user\.veloxzone\./i |
| describe __RDNS_DYNAMIC_VELOX Relay HELO'd using suspicious hostname (Veloxzone) |
| |
| # public4-seve6-5-cust173.lond.broadband.ntl.com |
| # spr1-bolt5-5-0-cust9.manc.broadband.ntl.com |
| # spc1-lewi4-6-0-cust190.lond.broadband.ntl.com |
| header __RDNS_DYNAMIC_NTL X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+\d+-\d+-cust\d+\.[a-z]{4,6}\.broadband\.ntl\.com/i |
| describe __RDNS_DYNAMIC_NTL Relay HELO'd using suspicious hostname (NTL) |
| |
| # (I'm quite sure these may be a good spamsign in future) |
| # nwblwi-nrp3-l10-a671.nwblwi.tds.net |
| header __RDNS_DYNAMIC_TDS X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+-[a-z]\d+\.[a-z]{6}\.tds\.net/i |
| header __RDNS_DYNAMIC_VIRTUA X-Spam-Relays-External =~ /^[^\]]+ rdns=\d+\.cps\./i |
| |
| # sp1-c700-131.spacelan.ne.jp |
| header __RDNS_DYNAMIC_SPACELAN X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+-[a-z]\d+-\d+\./i |
| |
| # rDNS host-type indicators, as per |
| # https://tools.ietf.org/id/draft-msullivan-dnsop-generic-naming-schemes-00.txt |
| header __RDNS_INDICATOR_DYN X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+[\-\.]dyn(?:amic)?[\-\.]/i |
| |
| # surprisingly large ham hitrate |
| header __RDNS_INDICATOR_TYPE X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+[\-\.](?:dial|modem|isdn|dov|\S?dsl|cable|wireless)[\-\.]/i |
| |
| # this hits a little ham, not too much though |
| header __RDNS_INDICATOR_RES X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+[\-\.](?:res|resnet|client)[\-\.]/i |
| |
| # these are non-standard, but common in the field; 100% spam correlation! |
| # (I think that's a fluke) |
| header __RDNS_INDICATOR_TYPE2 X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+[\-\.](?:docsis|dhcp|cpe|catv)[\-\.]/i |
| |
| # dsl.dynamic8510023760.ttnet.net.tr |
| header __RDNS_DYNAMIC_TTNET X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+[\-\.]dyn(?:amic)?\d/i |
| |
| # c221106.ppp.asahi-net.or.jp |
| # i253064.ppp.asahi-net.or.jp |
| # u035201.ppp.asahi-net.or.jp |
| # w158034.ppp.asahi-net.or.jp |
| header __RDNS_DYNAMIC_ASAHI X-Spam-Relays-External =~ /^[^\]]+ rdns=[a-z][0-9]+\.ppp\.asahi-net\.or\.jp/i |
| |
| # exceptions (bug 5397): |
| # exceptions: 66-220-155-151.mail-mail.facebook.com |
| # exceptions: o167-89-97-77.outbound-mail.sendgrid.net (bug 7592) |
| header __RDNS_STATIC X-Spam-Relays-External =~ /^[^\]]+ rdns=\S*(?:fix|static|fixip|dedicated|mail\-mail|outbound-mail|smtp)/i |
| |
| # bug 5586: |
| header __CGATE_RCVD Received =~ /by \S+ \(CommuniGate Pro/ |
| # bug 5926: |
| header __DOMINO_RCVD Received =~ /by \S+ \(Lotus Domino / |
| |
| header __RDNS_NONE X-Spam-Relays-External =~ /^[^\]]+ rdns= / |
| |
| ########################################################################### |
| |
| meta RDNS_DYNAMIC (__LAST_EXTERNAL_RELAY_NO_AUTH && !__RDNS_STATIC && (__RDNS_DYNAMIC_IPADDR || __RDNS_DYNAMIC_DHCP || __RDNS_DYNAMIC_HCC || __RDNS_DYNAMIC_ATTBI || __RDNS_DYNAMIC_ROGERS || __RDNS_DYNAMIC_ADELPHIA || __RDNS_DYNAMIC_DIALIN || __RDNS_DYNAMIC_HEXIP || __RDNS_DYNAMIC_SPLIT_IP || __RDNS_DYNAMIC_YAHOOBB || __RDNS_DYNAMIC_OOL || __RDNS_DYNAMIC_RR2 || __RDNS_DYNAMIC_COMCAST || __RDNS_DYNAMIC_TELIA || __RDNS_DYNAMIC_VTR || __RDNS_DYNAMIC_CHELLO_NO || __RDNS_DYNAMIC_CHELLO_NL || __RDNS_DYNAMIC_VELOX || __RDNS_DYNAMIC_NTL || __RDNS_DYNAMIC_TDS || __RDNS_DYNAMIC_VIRTUA || __RDNS_DYNAMIC_SPACELAN || __RDNS_INDICATOR_DYN || __RDNS_INDICATOR_RES || __RDNS_INDICATOR_TYPE2 || __RDNS_DYNAMIC_TTNET || __RDNS_DYNAMIC_ASAHI)) |
| describe RDNS_DYNAMIC Delivered to internal network by host with dynamic-looking rDNS |
| |
| meta RDNS_NONE (__RDNS_NONE && !__CGATE_RCVD && !__DOMINO_RCVD) |
| describe RDNS_NONE Delivered to internal network by a host with no rDNS |
| |
| |
