sa-updates/20_meta_tests.cf

   1 # SpamAssassin rules file: meta tests
   2 #
   3 # Please don't modify this file as your changes will be overwritten with
   4 # the next update. Use /etc/mail/spamassassin/local.cf instead.
   5 # See 'perldoc Mail::SpamAssassin::Conf' for details.
   6 #
   7 # Add meta tests which cover *both* headers and body here.
   8 #
   9 # Note: body tests are run with long lines, so be sure to limit the
  10 # size of searches; use /.{0,30}/ instead of /.*/ to avoid huge
  11 # search times.
  12 #
  13 # <@LICENSE>
  14 # Licensed to the Apache Software Foundation (ASF) under one or more
  15 # contributor license agreements.  See the NOTICE file distributed with
  16 # this work for additional information regarding copyright ownership.
  17 # The ASF licenses this file to you under the Apache License, Version 2.0
  18 # (the "License"); you may not use this file except in compliance with
  19 # the License.  You may obtain a copy of the License at:
  20 #
  21 #     http://www.apache.org/licenses/LICENSE-2.0
  22 #
  23 # Unless required by applicable law or agreed to in writing, software
  24 # distributed under the License is distributed on an "AS IS" BASIS,
  25 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  26 # See the License for the specific language governing permissions and
  27 # limitations under the License.
  28 # </@LICENSE>
  29 #
  30 ###########################################################################
  31
  32 require_version 3.004005
  33
  34 # some tests that will trigger FPs on ISO-2022-JP mails.
  35
  36 body __ISO_2022_JP_DELIM        /\e\$B/
  37
  38 meta UPPERCASE_50_75            (!__ISO_2022_JP_DELIM && __UPPERCASE_50_75)
  39 describe UPPERCASE_50_75        message body is 50-75% uppercase
  40 meta UPPERCASE_75_100           (!__ISO_2022_JP_DELIM && __UPPERCASE_75_100)
  41 describe UPPERCASE_75_100       message body is 75-100% uppercase
  42
  43 header __SANE_MSGID             MESSAGEID =~ /^<[^<>\\ \t\n\r\x0b\x80-\xff]+\@[^<>\\ \t\n\r\x0b\x80-\xff]+>\s*$/m
  44 header __HAS_MSGID              MESSAGEID =~ /\S/
  45 header __MSGID_COMMENT          MESSAGEID =~ /\(.*\)/m
  46 meta INVALID_MSGID              __HAS_MSGID && !(__SANE_MSGID || __MSGID_COMMENT)
  47 describe INVALID_MSGID          Message-Id is not valid, according to RFC 2822
  48
  49 #See Bug 7411
  50 #header __MOZILLA_MUA           X-Mailer =~ /\bMozilla\b/
  51 header __MOZILLA_MUA            User-Agent =~ /^mozilla\b/i
  52 header __MOZILLA_MSGID          MESSAGEID =~ /^<(?:[a-f\d]{8}-(?:[a-f\d]{4}-){3}[a-f\d]{12}|[A-F\d]{8}\.[A-F1-9][A-F\d]{0,7})\@\S+>$/m
  53 meta FORGED_MUA_MOZILLA         (__MOZILLA_MUA && !__UNUSABLE_MSGID && !__MOZILLA_MSGID)
  54 describe FORGED_MUA_MOZILLA     Forged mail pretending to be from Mozilla
  55
  56 header __PC_RND_HEADER          ALL =~ /%RA?ND(?:OM)?(?:_|\b|[A-Z]{3})/i
  57 rawbody __PC_RND_RAWBODY        /%RA?ND(?:OM)?(?:_|\b|[A-Z]{3})/i
  58 meta PERCENT_RANDOM             (__PC_RND_HEADER || __PC_RND_RAWBODY)
  59 describe PERCENT_RANDOM         Message has a random macro in it
  60
  61 # __MIME_ATTACHMENT defined in 20_html_tests.cf
  62 body __NONEMPTY_BODY    /\S/
  63 meta EMPTY_MESSAGE      !__MIME_ATTACHMENT && !__NONEMPTY_BODY
  64 describe EMPTY_MESSAGE  Message appears to have no textual parts and no Subject: text
  65
  66 meta NO_HEADERS_MESSAGE (MISSING_DATE && MISSING_HEADERS && NO_RECEIVED && NO_RELAYS && MISSING_MID)
  67 describe NO_HEADERS_MESSAGE Message appears to be missing most RFC-822 headers
  68
  69 ###########################################################################
  70
  71 ifplugin Mail::SpamAssassin::Plugin::MIMEEval
  72
  73 body __UPPERCASE_25_50          eval:check_for_uppercase('25', '50')
  74 body __UPPERCASE_50_75          eval:check_for_uppercase('50', '75')
  75 body __UPPERCASE_75_100         eval:check_for_uppercase('75', '100')
  76
  77 endif