Current File : //proc/thread-self/root/var/lib/spamassassin/3.004006/updates_spamassassin_org/20_body_tests.cf
# SpamAssassin rules file: body tests
#
# Please don't modify this file as your changes will be overwritten with
# the next update. Use /etc/mail/spamassassin/local.cf instead.
# See 'perldoc Mail::SpamAssassin::Conf' for details.
#
# Note: body tests are run with long lines, so be sure to limit the
# size of searches; use /.{0,30}/ instead of /.*/ to avoid huge
# search times.
#
# Note: If you are adding a rule which looks for a phrase in the body
# (as most of them do), please add it to rules/20_phrases.cf instead.
#
# <@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 3.004006
###########################################################################
# GTUBE test - the generic test for UBE.
body GTUBE /XJS\*C4JDBQADN1\.NSBN3\*2IDNEN\*GTUBE-STANDARD-ANTI-UBE-TEST-EMAIL\*C\.34X/
describe GTUBE Generic Test for Unsolicited Bulk Email
tflags GTUBE userconf noautolearn
###########################################################################
# this seems to be the new fashion (as of Jul 5 2002). base64-encoded
# parts need to be stripped before this match
body TRACKER_ID /^[a-z0-9]{6,24}[-_a-z0-9]{12,36}[a-z0-9]{6,24}\s*\z/is
describe TRACKER_ID Incorporates a tracking ID number
body WEIRD_QUOTING /[\042\223\224\262\263\271]{2}\S{0,16}[\042\223\224\262\263\271]{2}/
describe WEIRD_QUOTING Weird repeated double-quotation marks
###########################################################################
# multipart/alternative has very good accuracy, other multipart types are
# similar to MIME_HTML_ONLY so they don't need a separate rule
header __CTYPE_MULTIPART_ALT Content-Type =~ /multipart\/alternative/i
meta MIME_HTML_ONLY_MULTI (__CTYPE_MULTIPART_ALT && MIME_HTML_ONLY)
describe MIME_HTML_ONLY_MULTI Multipart message only has text/html MIME parts
# note: __HIGHBITS is used in rules/20_html_tests.cf, HTML_CHARSET_FARAWAY
meta MIME_CHARSET_FARAWAY (__MIME_CHARSET_FARAWAY && __HIGHBITS)
describe MIME_CHARSET_FARAWAY MIME character set indicates foreign language
tflags MIME_CHARSET_FARAWAY userconf
###########################################################################
# duncf
body EMAIL_ROT13 /\b[a-z(\]-]+\^[a-z-]+\([a-z]{2,3}\b/
describe EMAIL_ROT13 Body contains a ROT13-encoded email address
test EMAIL_ROT13 ok qhabs^ebtref(pbz
test EMAIL_ROT13 ok zxrggyre^riv-vap(pbz
test EMAIL_ROT13 fail duncf-nospam@rogers.com
# this could use more work
body __LONGWORDS_A /\b(?:[a-z]{8,}[\s\.]+){6}/
body __LONGWORDS_B /\b(?:[a-z]{6,}[\s\.]+){9}/
body __LONGWORDS_C /\b(?:[a-z]{5,}[\s\.]+){10}/
meta LONGWORDS (__LONGWORDS_A + __LONGWORDS_B + __LONGWORDS_C > 1)
describe LONGWORDS Long string of long words
###########################################################################
ifplugin Mail::SpamAssassin::Plugin::BodyEval
# This rule uses a simple algorithm to determine if the text and html
# parts of an multipart/alternative message are different.
body MPART_ALT_DIFF eval:multipart_alternative_difference('99', '100')
describe MPART_ALT_DIFF HTML and text parts are different
body MPART_ALT_DIFF_COUNT eval:multipart_alternative_difference_count('3', '1')
describe MPART_ALT_DIFF_COUNT HTML and text parts are different
body BLANK_LINES_80_90 eval:check_blank_line_ratio('80','90','4')
describe BLANK_LINES_80_90 Message body has 80-90% blank lines
# it's the ratio of spaces to non-spaces in each paragraph. apparently
# messages where generally there are lots of spaces mean the message is spam.
# 8.532 10.6051 0.1897 0.982 0.75 0.01 T_VERTICAL_WORDS_TVD_1
# bug 6149: avoid common .jp false positives
header __SUBJECT_UTF8_B_ENCODED Subject:raw =~ /=\?UTF-?8\?B\?/i
body __TVD_SPACE_RATIO eval:tvd_vertical_words('0','10')
meta TVD_SPACE_RATIO (__TVD_SPACE_RATIO && !__ISO_2022_JP_DELIM && !__SUBJECT_UTF8_B_ENCODED && !__HIGHBITS)
endif
###########################################################################
ifplugin Mail::SpamAssassin::Plugin::MIMEEval
# 0.767 0.9097 0.0000 1.000 0.84 1.00 MULTIPART_ALT_NON_TEXT
body MULTIPART_ALT_NON_TEXT eval:check_ma_non_text()
body CHARSET_FARAWAY eval:check_for_faraway_charset()
describe CHARSET_FARAWAY Character set indicates a foreign language
tflags CHARSET_FARAWAY userconf
# these tests doesn't actually use rawbody since rawbody isn't raw enough;
# they must be written very carefully to avoid modifying the original content
# MIME Content-Transfer-Encoding control rules
rawbody __MIME_BASE64 eval:check_for_mime('mime_base64_count')
describe __MIME_BASE64 Includes a base64 attachment
rawbody __MIME_QP eval:check_for_mime('mime_qp_count')
describe __MIME_QP Includes a quoted-printable attachment
# No longer used in MIMEEval
#rawbody MIME_BASE64_BLANKS eval:check_for_mime('mime_base64_blanks')
#describe MIME_BASE64_BLANKS Extra blank lines in base64 encoding
rawbody MIME_BASE64_TEXT eval:check_for_mime('mime_base64_encoded_text')
describe MIME_BASE64_TEXT Message text disguised using base64 encoding
body MISSING_MIME_HB_SEP eval:check_msg_parse_flags('missing_mime_head_body_separator')
describe MISSING_MIME_HB_SEP Missing blank line between MIME header and body
body MIME_HTML_MOSTLY eval:check_mime_multipart_ratio('0.00','0.01')
describe MIME_HTML_MOSTLY Multipart message mostly text/html MIME
# Steve Linford via Charlie Watts: good test!
body MIME_HTML_ONLY eval:check_for_mime_html_only()
describe MIME_HTML_ONLY Message only has text/html MIME parts
rawbody MIME_QP_LONG_LINE eval:check_for_mime('mime_qp_long_line')
describe MIME_QP_LONG_LINE Quoted-printable line longer than 76 chars
rawbody __MIME_CHARSET_FARAWAY eval:check_for_mime('mime_faraway_charset')
body MIME_BAD_ISO_CHARSET eval:check_for_mime('mime_bad_iso_charset')
describe MIME_BAD_ISO_CHARSET MIME character set is an unknown ISO charset
body MIMEPART_LIMIT_EXCEEDED eval:check_for_mime('mimepart_limit_exceeded')
describe MIMEPART_LIMIT_EXCEEDED Message has too many MIME parts
endif
###########################################################################
ifplugin Mail::SpamAssassin::Plugin::URIEval
body HTTPS_IP_MISMATCH eval:check_https_ip_mismatch()
describe HTTPS_IP_MISMATCH IP to HTTPS link found in HTML
body URI_TRUNCATED eval:check_uri_truncated()
describe URI_TRUNCATED Message contained a URI which was truncated
endif
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