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📄 10_default_prefs.cf(8.48 KB)
📄 10_hasbase.cf(2.37 KB)
📄 20_advance_fee.cf(7.43 KB)
📄 20_aux_tlds.cf(8.8 KB)
📄 20_body_tests.cf(6.84 KB)
📄 20_compensate.cf(1.85 KB)
📄 20_dnsbl_tests.cf(9.5 KB)
📄 20_drugs.cf(14.7 KB)
📄 20_dynrdns.cf(11.22 KB)
📄 20_fake_helo_tests.cf(8.31 KB)
📄 20_freemail.cf(2.94 KB)
📄 20_freemail_domains.cf(41.82 KB)
📄 20_head_tests.cf(25.74 KB)
📄 20_html_tests.cf(10.27 KB)
📄 20_imageinfo.cf(5.16 KB)
📄 20_mailspike.cf(2.6 KB)
📄 20_meta_tests.cf(3.25 KB)
📄 20_net_tests.cf(1.83 KB)
📄 20_phrases.cf(7.98 KB)
📄 20_porn.cf(2.01 KB)
📄 20_ratware.cf(15.59 KB)
📄 20_uri_tests.cf(5.54 KB)
📄 20_vbounce.cf(18.82 KB)
📄 23_bayes.cf(2.49 KB)
📄 25_accessdb.cf(1.51 KB)
📄 25_antivirus.cf(1.5 KB)
📄 25_asn.cf(1.51 KB)
📄 25_dcc.cf(2.27 KB)
📄 25_dkim.cf(4.3 KB)
📄 25_hashcash.cf(2.86 KB)
📄 25_pyzor.cf(1.28 KB)
📄 25_razor2.cf(3.31 KB)
📄 25_replace.cf(7.57 KB)
📄 25_spf.cf(3.35 KB)
📄 25_textcat.cf(1.73 KB)
📄 25_uribl.cf(10.14 KB)
📄 30_text_de.cf(27.12 KB)
📄 30_text_fr.cf(19.89 KB)
📄 30_text_it.cf(1.81 KB)
📄 30_text_nl.cf(20.94 KB)
📄 30_text_pl.cf(17.34 KB)
📄 30_text_pt_br.cf(44.46 KB)
📄 50_scores.cf(36.92 KB)
📄 60_adsp_override_dkim.cf(9.02 KB)
📄 60_awl.cf(1.27 KB)
📄 60_shortcircuit.cf(2.13 KB)
📄 60_whitelist.cf(4.87 KB)
📄 60_whitelist_dkim.cf(6.05 KB)
📄 60_whitelist_spf.cf(3.5 KB)
📄 60_whitelist_subject.cf(1.87 KB)
📄 72_active.cf(199.42 KB)
📄 72_scores.cf(9.65 KB)
📄 73_sandbox_manual_scores.cf(2.61 KB)
📄 STATISTICS-set0-72_scores.cf.txt(1.46 KB)
📄 STATISTICS-set1-72_scores.cf.txt(1.46 KB)
📄 STATISTICS-set2-72_scores.cf.txt(0 B)
📄 STATISTICS-set3-72_scores.cf.txt(0 B)
📄 languages(99.1 KB)
📄 local.cf(2.16 KB)
📄 regression_tests.cf(2.71 KB)
📄 sa-update-pubkey.txt(4.67 KB)
📄 sa-update.cron(3.07 KB)
📄 user_prefs.template(1.83 KB)

Editing: 20_ratware.cf

# SpamAssassin rules file: known spam mailers
#
# Sometimes these leave 'sent by mailername' fingerprints in the
# headers, which provide a nice way for us to catch them.
#
# 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.
# </@LICENSE>
#
###########################################################################

header RATWARE_EGROUPS		X-Mailer =~ /eGroups Message Poster/
describe RATWARE_EGROUPS	Bulk email fingerprint (eGroups) found

# Note that the tests which look at the "ALL" pseudoheader are slower than
# the specific header.
# 100% overlap with X-Stormpost-To: header, but seems wise to leave it in
header RATWARE_OE_MALFORMED	X-Mailer =~ /^Microsoft Outlook Express \d(?:\.\d+){3} \w+$/
describe RATWARE_OE_MALFORMED	X-Mailer has malformed Outlook Express version
header RATWARE_MOZ_MALFORMED	User-Agent =~ /Mozilla\/5\.0\d\d/
describe RATWARE_MOZ_MALFORMED	Bulk email fingerprint (Mozilla malformed) found

header RATWARE_MPOP_WEBMAIL	X-Mailer =~ /mPOP Web-Mail/i
describe RATWARE_MPOP_WEBMAIL	Bulk email fingerprint (mPOP Web-Mail)

###########################################################################
# Now, detect forgeries of real MUAs
#
# NOTE: these rules should specify version numbers!

# first define situations where servers rewrite message id so we can't use message id to detect forgeries

header __HOTMAIL_BAYDAV_MSGID		MESSAGEID =~ /^<[A-Z]{3}\d+-(?:DAV|SMTP)\d+[A-Z0-9]{25}\@phx\.gbl>$/m

header __IPLANET_MESSAGING_SERVER Received =~ /iPlanet Messaging Server/

header __LYRIS_EZLM_REMAILER  List-Unsubscribe =~ /<mailto:(?:leave-\S+|\S+-unsubscribe)\@\S+>$/

header __SYMPATICO_MSGID		MESSAGEID =~ /^<BAYC\d+-PASMTP\d+[A-Z0-9]{25}\@CEZ\.ICE>$/m

header __WACKY_SENDMAIL_VERSION Received =~ /\/CWT\/DCE\)/

meta __UNUSABLE_MSGID (__LYRIS_EZLM_REMAILER || __GATED_THROUGH_RCVD_REMOVER || __WACKY_SENDMAIL_VERSION || __IPLANET_MESSAGING_SERVER || __HOTMAIL_BAYDAV_MSGID || __SYMPATICO_MSGID)

## now on to the forgery rules

# AOL
header __AOL_MUA		X-Mailer =~ /\bAOL\b/

# Internet Mail Service
header __IMS_MUA		X-Mailer =~ /Internet Mail Service/
header __IMS_MSGID		MESSAGEID =~ /^<[A-F\d]{36,40}\@\S+>$/m
meta FORGED_MUA_IMS		(__IMS_MUA && !__IMS_MSGID && !__UNUSABLE_MSGID)
describe FORGED_MUA_IMS		Forged mail pretending to be from IMS

# Message ID format introduced by Vista MAPI, maybe also Windows 2003 Server SP2
header __VISTA_MSGID		MESSAGEID =~ /^<[A-F\d]{32}\@\S+>$/m

# Outlook Express 4, 5, and 6
header __OE_MUA			X-Mailer =~ /\bOutlook Express [456]\./
header __OE_MSGID_1		MESSAGEID =~ /^<[A-Za-z0-9-]{7}[A-Za-z0-9]{20}\@hotmail\.com>$/m
header __OE_MSGID_2		MESSAGEID =~ /^<(?:[0-9a-f]{8}|[0-9a-f]{12})\$[0-9a-f]{8}\$[0-9a-f]{8}\@\S+>$/m
meta __FORGED_OE		(__OE_MUA && !__OE_MSGID_1 && !__OE_MSGID_2 && !__UNUSABLE_MSGID)

# Outlook versions that usually use "dollar signs"
header __OUTLOOK_DOLLARS_MUA	X-Mailer =~ /^Microsoft Outlook(?: 8| CWS, Build 9|, Build 10)\./
header __OUTLOOK_DOLLARS_OTHER	MESSAGEID =~ /^<\!\~\!/m
meta __FORGED_OUTLOOK_DOLLARS	(__OUTLOOK_DOLLARS_MUA && !__OE_MSGID_2 && !__OUTLOOK_DOLLARS_OTHER && !__VISTA_MSGID && !__IMS_MSGID && !__UNUSABLE_MSGID)
# use new meta rules to implement FORGED_MUA_OUTLOOK rule from 2.60

# bug 5496: avoid some FPs
header __FMO_EXCL_O3416   X-Mailer =~ /^Microsoft Outlook, Build 10.0.3416$/
header __FMO_EXCL_OE3790  X-Mailer =~ /^Microsoft Outlook Express 6.00.3790.3959$/
# bug 5910: __VISTA_MSGID also now used by Outlook Express from XP SP3
#
meta FORGED_MUA_OUTLOOK         ((__FORGED_OE || __FORGED_OUTLOOK_DOLLARS) && !__FMO_EXCL_O3416 && !__FMO_EXCL_OE3790 && !__VISTA_MSGID)
describe FORGED_MUA_OUTLOOK	Forged mail pretending to be from MS Outlook

# Outlook IMO (Internet Mail Only)
header __OIMO_MUA		X-Mailer =~ /Outlook IMO/
header __OIMO_MSGID		MESSAGEID =~ /^<[A-P]{28}\.[-\w.]+\@\S+>$/m
meta FORGED_MUA_OIMO		(__OIMO_MUA && !__OIMO_MSGID && !__OE_MSGID_2 && !__UNUSABLE_MSGID)
describe FORGED_MUA_OIMO	Forged mail pretending to be from MS Outlook IMO

# QUALCOMM Eudora
# Note: uses X_LOOP and X_MAILING_LIST as subrules
# X-Mailer: QUALCOMM Windows Eudora Version 5.0   (and 5.1)
# X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.22
# updated to fix bugs 2047, 2598, 2654
# NOTE: this is the *only* spammish Eudora MUA pattern that wasn't
# ignored using __OLD_EUDORA1 and __OLD_EUDORA2 under previous rules.
header __EUDORA_MUA             X-Mailer =~ /^QUALCOMM Windows Eudora (?:Pro |Light )?Version [3456]\./
header __EUDORA_MSGID		MESSAGEID =~ /^<(?:\d\d?\.){3,5}\d{14}\.[a-f0-9]{8}\@\S+(?:\sport\s\d+)?>$/m
header __HAS_X_LOOP		exists:X-Loop
header __HAS_X_MAILING_LIST	exists:X-Mailing-List
meta FORGED_MUA_EUDORA          (__EUDORA_MUA && !__EUDORA_MSGID && !__UNUSABLE_MSGID && !__HAS_X_LOOP && !__HAS_X_MAILING_LIST)
describe FORGED_MUA_EUDORA	Forged mail pretending to be from Eudora
  
# From private mail with developers.  Some top tips here!
header __THEBAT_MUA		X-Mailer =~ /^The Bat!/
header __THEBAT_MUA_V1		X-Mailer =~ /^The Bat! \(v1\./
#header __THEBAT_MUA_V2		X-Mailer =~ /^The Bat! \(v2\./
#header __THEBAT_MUA_V3		X-Mailer =~ /^The Bat! \(v3\./
header __CTYPE_CHARSET_QUOTED	Content-Type =~ /charset=\"/i
header __CTYPE_HAS_BOUNDARY	Content-Type =~ /boundary/i
header __BAT_BOUNDARY		Content-Type =~ /boundary=\"-{10}[A-F0-9]{4,}\"/
header __MAILMAN_21             X-Mailman-Version =~ /\d/
meta FORGED_MUA_THEBAT_CS	(__THEBAT_MUA && __CTYPE_CHARSET_QUOTED && !__MAILMAN_21)
meta FORGED_MUA_THEBAT_BOUN     (__THEBAT_MUA && __CTYPE_HAS_BOUNDARY && !__BAT_BOUNDARY && !__MAILMAN_21)
describe FORGED_MUA_THEBAT_CS	Mail pretending to be from The Bat! (charset)
describe FORGED_MUA_THEBAT_BOUN Mail pretending to be from The Bat! (boundary)

# bug 4649: bulk mail sent via Yahoo! often looks forged, even when it is not
header __YAHOO_BULK		Received =~ /from \[\S+\] by \S+\.(?:groups|scd|dcn)\.yahoo\.com with NNFMP/

meta FORGED_OUTLOOK_HTML	(!__YAHOO_BULK && __ANY_OUTLOOK_MUA && MIME_HTML_ONLY)
describe FORGED_OUTLOOK_HTML	Outlook can't send HTML message only

# bug 2525: FORGED_IMS_HTML fp'ing because new IMS *DOES* use text/html
# ctype.  ARGH.  This was noted in build 5.5.2656.59, so permit builds
# after that to get away with it.
header __IMS_HTML_BUILDS	X-Mailer =~ /^Internet Mail Service .(?:[6789]\.|5\.[6789]|5\.5\.(?:[3456789]|2[789]|26[6789]|265[6789]))/
header __IMS_HTML_RCVD		Received =~ /\bby \S+ with Internet Mail Service .(?:[6789]\.|5\.[6789]|5\.5\.(?:[3456789]|2[789]|26[6789]|265[6789]))/
meta FORGED_IMS_HTML		(!__YAHOO_BULK && __IMS_MUA && MIME_HTML_ONLY && !(__IMS_HTML_BUILDS && __IMS_HTML_RCVD))
describe FORGED_IMS_HTML	IMS can't send HTML message only

meta FORGED_THEBAT_HTML		(__THEBAT_MUA_V1 && MIME_HTML_ONLY)
describe FORGED_THEBAT_HTML	The Bat! can't send HTML message only

# bug 2513
header __REPTO_QUOTE		Reply-To =~ /".*"\s*\</
meta REPTO_QUOTE_AOL		__REPTO_QUOTE && __AOL_MUA
describe REPTO_QUOTE_AOL	AOL doesn't do quoting like this

meta REPTO_QUOTE_IMS		__REPTO_QUOTE && __IMS_MUA
describe REPTO_QUOTE_IMS	IMS doesn't do quoting like this

meta REPTO_QUOTE_MSN		__REPTO_QUOTE && (__FROM_MSN_COM || __AT_MSN_MSGID)
describe REPTO_QUOTE_MSN	MSN doesn't do quoting like this

meta REPTO_QUOTE_QUALCOMM	__REPTO_QUOTE && __ANY_QUALCOMM_MUA
describe REPTO_QUOTE_QUALCOMM	Qualcomm/Eudora doesn't do quoting like this

meta REPTO_QUOTE_YAHOO		__REPTO_QUOTE && (__FROM_YAHOO_COM || __AT_YAHOO_MSGID)
describe REPTO_QUOTE_YAHOO	Yahoo! doesn't do quoting like this

# bug 1561
# stronger version of USER_AGENT_APPLEMAIL
# Apple Mail doesn't send text/html at all (unless it's an attachment)
# It'll send text/plain, or multipart/alternative with text/plain and
# text/enriched parts (boundary of "Apple-Mail-\d--\d+").  It can, however,
# send a multipart/mixed with a single text/html attachment, so don't use
# MIME_HTML_ONLY.
# perhaps limit CTYPE to "text/plain", "multipart/alternative" with
# "text/plain" and "text/enhanced", or "multipart/mixed"?
# bug 4223: expand for new Apple Mail version format
header __X_MAILER_APPLEMAIL	X-Mailer =~ /^Apple Mail $\d\.\d+(?:\.\d+)?$$/
header __MSGID_APPLEMAIL        Message-Id =~ /^<[0-9A-F]{8}-(?:[0-9A-F]{4}-){3}[0-9A-F]{12}\@\S+>$/
header __MIME_VERSION_APPLEMAIL	Mime-Version =~ /^1\.0 $Apple Message framework v\d+(?:\.\d+)?$$/
meta __USER_AGENT_APPLEMAIL	!__CTYPE_HTML && __X_MAILER_APPLEMAIL && (__MSGID_APPLEMAIL || __MIME_VERSION_APPLEMAIL)

# 2003-02-23: quinlan
# some useful meta rule sub-elements
header __CTYPE_HTML		Content-Type =~ /text\/html/i
header __ANY_IMS_MUA		X-Mailer =~ /^Internet Mail Service\b/
header __ANY_OUTLOOK_MUA	X-Mailer =~ /^Microsoft (?:Office )?Outlook\b/

header __ANY_QUALCOMM_MUA       X-Mailer =~ /\bQUALCOMM\b/
meta FORGED_QUALCOMM_TAGS	(__ANY_QUALCOMM_MUA && __MIME_HTML && !__TAG_EXISTS_HTML)
describe FORGED_QUALCOMM_TAGS	QUALCOMM mailers can't send HTML in this format

meta FORGED_IMS_TAGS		(!__YAHOO_BULK && __ANY_IMS_MUA && __MIME_HTML && !(__TAG_EXISTS_HTML && __TAG_EXISTS_HEAD && __TAG_EXISTS_META && __TAG_EXISTS_BODY))
describe FORGED_IMS_TAGS	IMS mailers can't send HTML in this format

meta FORGED_OUTLOOK_TAGS	(!__YAHOO_BULK && __ANY_OUTLOOK_MUA && __MIME_HTML && !(__TAG_EXISTS_HTML && __TAG_EXISTS_HEAD && __TAG_EXISTS_META && __TAG_EXISTS_BODY))
describe FORGED_OUTLOOK_TAGS	Outlook can't send HTML in this format

# Send-Safe ratware (idea from Alan Curry)
# random alphanumerics, separated into groups of 16 by dashes (the first
# and last group may be shorter), with a lowercase "l" and a number
# appended. The final number is the length of the whole string not
# including the dashes or the "l<number>".  Why? I have no idea.  It's
# not a tracking code - the spamware does not save it locally.
#
# jm: it's specifically to throw off MIME base64 encoding, to evade AOL's
# filters.
#
# http://groups.google.com/groups?selm=atp1ip0n22%40enews3.newsguy.com
rawbody RATWARE_HASH_DASH	/[a-z\d]-[a-z\d]{16}-[a-z\d]{1,16}(?-i:l)\d/i
describe RATWARE_HASH_DASH	Contains a hashbuster in Send-Safe format

########################################################################
# Most ratware uses message templates I would guess.
# Here's two popular ones...

########################################################################
# This ratware always uses a +0000 TZ in the Date header, and has a multiplicity
# of From: header formats. ("From" header samples from Steven Champeon
# <schampeo.hesketh.com> via the spamtools.lists.abuse.net and SPAM-L lists).
#
# "First Last" <firstlast_[a-z][a-z]@somedomain>        1
# "First Last" <firstlast[a-z][a-z]@somedomain>         1
# "First Last" <first.last[a-z][a-z]@somedomain>        1
# "First Last" <first_last[a-z][a-z]@somedomain>        1
# "First Last" <first_last_[a-z][a-z]@somedomain>       1
# "First Last" <flast_[a-z][a-z]@somedomain>            2
# "First Last" <flast[a-z][a-z]@somedomain>             2
# "First Last" <f.last_[a-z][a-z]@somedomain>           2
# "First Last" <f.last[a-z][a-z]@somedomain>            2
# "First Last" <f_last[a-z][a-z]@somedomain>            2
# "First Last" <last[a-z][a-z]@somedomain>              3
# "First M. Last" <firstlast_[a-z][a-z]@somedomain>     4
# "First M. Last" <firstlast[a-z][a-z]@somedomain>      4
# "First M. Last" <first.m.last[a-z][a-z]@somedomain>   5
# "First M. Last" <firstmlast[a-z][a-z]@somedomain>     5
# "First M. Last" <firstmlast_[a-z][a-z]@somedomain>    5
# "First M. Last" <fmlast_[a-z][a-z]@somedomain>        6
# "First M. Last" <mlast[a-z][a-z]@somedomain>          7
# "First M. Last" <m.last[a-z][a-z]@somedomain>         7
header __0_TZ_1      From =~ /^\"(\w)(\w+) (\w+)\" <\1\2[\._]?\3_?[a-z][a-z]\@/i
header __0_TZ_2      From =~ /^\"(\w)(\w+) (\w+)\" <\1[\._]?\3_?[a-z][a-z]\@/i
header __0_TZ_3      From =~ /^\"(\w)(\w+) (\w+)\" <\3_?[a-z][a-z]\@/i
header __0_TZ_4      From =~ /^\"(\w)(\w+) (\w)\. (\w+)\" <\1\2[\._]?\4_?[a-z][a-z]\@/i
header __0_TZ_5      From =~ /^\"(\w)(\w+) (\w)\. (\w+)\" <\1\2[\._]?\3[\._]?\4_?[a-z][a-z]\@/i
header __0_TZ_6      From =~ /^\"(\w)(\w+) (\w)\. (\w+)\" <\1\3\4_?[a-z][a-z]\@/i
header __0_TZ_7      From =~ /^\"(\w)(\w+) (\w)\. (\w+)\" <\3[\._]?\4_?[a-z][a-z]\@/i

header __RATWARE_0_TZ_DATE	Date =~ / \+0000$/

meta RATWARE_ZERO_TZ   		(__RATWARE_0_TZ_DATE && __CTYPE_HTML && (__0_TZ_1 || __0_TZ_2 || __0_TZ_3 || __0_TZ_4 || __0_TZ_5 || __0_TZ_6 || __0_TZ_7))
describe RATWARE_ZERO_TZ	Bulk email fingerprint (+0000) found

header X_MESSAGE_INFO		exists:X-Message-Info
describe X_MESSAGE_INFO		Bulk email fingerprint (X-Message-Info) found

header RATWARE_RCVD_PF		Received =~ / $Postfix$ with ESMTP id [^;]+\; \S+ \d+ \S+ \d+ \d+:\d+:\d+ \S+$/s
describe RATWARE_RCVD_PF	Bulk email fingerprint (Received PF) found

header RATWARE_RCVD_AT		Received =~ / by \S+\@\S+ with Microsoft SMTPSVC/
describe RATWARE_RCVD_AT	Bulk email fingerprint (Received @) found

header __RCVD_WITH_EXCHANGE	Received =~ /with Microsoft Exchange Server/

meta RATWARE_OUTLOOK_NONAME	__MSGID_DOLLARS_OK && !__HAS_X_MAILER && !__RCVD_WITH_EXCHANGE
describe RATWARE_OUTLOOK_NONAME	Bulk email fingerprint (Outlook no name) found

header __MIMEOLE_MS		X-MIMEOLE =~ /^Produced By Microsoft MimeOLE/
meta RATWARE_MS_HASH 		__MSGID_DOLLARS_OK && !__MIMEOLE_MS && !__RCVD_WITH_EXCHANGE
describe RATWARE_MS_HASH	Bulk email fingerprint (msgid ms hash) found

###########################################################################

ifplugin Mail::SpamAssassin::Plugin::HeaderEval

header __GATED_THROUGH_RCVD_REMOVER  eval:gated_through_received_hdr_remover()

header __RATWARE_NAME_ID	eval:check_ratware_name_id()
meta RATWARE_NAME_ID		__RATWARE_0_TZ_DATE && __RATWARE_NAME_ID
describe RATWARE_NAME_ID	Bulk email fingerprint (msgid from) found

header RATWARE_EFROM		eval:check_ratware_envelope_from()
describe RATWARE_EFROM		Bulk email fingerprint (envfrom) found

endif

###########################################################################

ifplugin Mail::SpamAssassin::Plugin::MIMEEval

body __MIME_HTML		eval:check_for_mime_html()

endif

###########################################################################

ifplugin Mail::SpamAssassin::Plugin::HTMLEval

body __TAG_EXISTS_BODY		eval:html_tag_exists('body')
body __TAG_EXISTS_HEAD		eval:html_tag_exists('head')
body __TAG_EXISTS_HTML		eval:html_tag_exists('html')
body __TAG_EXISTS_META		eval:html_tag_exists('meta')
body __TAG_EXISTS_STYLE		eval:html_tag_exists('style')
body __TAG_EXISTS_SCRIPT	eval:html_tag_exists('script')

endif

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