projects / proxmox-spamassassin.git / blame
| Commit | Line | Data |
|---|---|---|
| b780ea8d SI |
1 | # SpamAssassin - FreeMail rules |
| 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 | # <@LICENSE> | |
| 8 | # Licensed to the Apache Software Foundation (ASF) under one or more | |
| 9 | # contributor license agreements. See the NOTICE file distributed with | |
| 10 | # this work for additional information regarding copyright ownership. | |
| 11 | # The ASF licenses this file to you under the Apache License, Version 2.0 | |
| 12 | # (the "License"); you may not use this file except in compliance with | |
| 13 | # the License. You may obtain a copy of the License at: | |
| 14 | # | |
| 15 | # http://www.apache.org/licenses/LICENSE-2.0 | |
| 16 | # | |
| 17 | # Unless required by applicable law or agreed to in writing, software | |
| 18 | # distributed under the License is distributed on an "AS IS" BASIS, | |
| 19 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 20 | # See the License for the specific language governing permissions and | |
| 21 | # limitations under the License. | |
| 22 | # </@LICENSE> | |
| 23 | # | |
| 24 | ########################################################################### | |
| 25 | ||
| 26 | ifplugin Mail::SpamAssassin::Plugin::FreeMail | |
| 27 | ||
| 28 | body __freemail_safe_fwd /---\s?(?:(?:Forwarded|Original) message|Alkuper(?:\xe4|\xc3\xa4)inen viesti)/i | |
| 29 | header __freemail_safe_rls X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+\.(?:tfbnw\.net|ebay\.com|tieto\.com) / | |
| 30 | meta __freemail_safe __freemail_safe_fwd || __ML2 || __ML4 || __HAS_X_MAILING_LIST || __HAS_X_MAILMAN_VERSION || __freemail_safe_rls | |
| 31 | ||
| 32 | header __freemail_replyto eval:check_freemail_replyto('replyto') | |
| 33 | meta FREEMAIL_REPLYTO __freemail_replyto && !__freemail_safe | |
| 34 | describe FREEMAIL_REPLYTO Reply-To/From or Reply-To/body contain different freemails | |
| 35 | score FREEMAIL_REPLYTO 2 | |
| 36 | ||
| 37 | header __freemail_reply eval:check_freemail_replyto('reply') | |
| 38 | meta FREEMAIL_REPLY __freemail_reply && !__freemail_replyto && !__freemail_safe | |
| 39 | describe FREEMAIL_REPLY From and body contain different freemails | |
| 40 | score FREEMAIL_REPLY 0.5 | |
| 41 | ||
| 42 | header FREEMAIL_FROM eval:check_freemail_from() | |
| 43 | describe FREEMAIL_FROM Sender email is commonly abused enduser mail provider | |
| 44 | score FREEMAIL_FROM 0.001 | |
| 45 | ||
| 46 | header FREEMAIL_ENVFROM_END_DIGIT eval:check_freemail_header('EnvelopeFrom', '\d@') | |
| 47 | describe FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit | |
| 48 | score FREEMAIL_ENVFROM_END_DIGIT 0.1 | |
| 49 | ||
| 50 | header FREEMAIL_REPLYTO_END_DIGIT eval:check_freemail_header('Reply-To', '\d@') | |
| 51 | describe FREEMAIL_REPLYTO_END_DIGIT Reply-To freemail username ends in digit | |
| 52 | score FREEMAIL_REPLYTO_END_DIGIT 0.1 | |
| 53 | ||
| 54 | #header FREEMAIL_SUBJECT eval:check_freemail_header('Subject') | |
| 55 | #describe FREEMAIL_SUBJECT Subject contains freemail | |
| 56 | #score FREEMAIL_SUBJECT 0.001 | |
| 57 | ||
| 58 | # Idea from John Hardin | |
| 59 | header __freemail_hdr_replyto eval:check_freemail_header('Reply-To') | |
| 60 | meta FREEMAIL_FORGED_REPLYTO __freemail_hdr_replyto && !FREEMAIL_FROM && !__freemail_safe | |
| 61 | describe FREEMAIL_FORGED_REPLYTO Freemail in Reply-To, but not From | |
| 62 | score FREEMAIL_FORGED_REPLYTO 0.1 | |
| 63 | ||
| 64 | endif | |
| 65 |