20_freemail.cf
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# SpamAssassin - FreeMail rules # # 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. # # <@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> # ########################################################################### ifplugin Mail::SpamAssassin::Plugin::FreeMail body __freemail_safe_fwd /---\s?(?:(?:Forwarded|Original) message|Alkuper(?:\xe4|\xc3\xa4)inen viesti)/i header __freemail_safe_rls X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+\.(?:tfbnw\.net|ebay\.com|tieto\.com) / meta __freemail_safe __freemail_safe_fwd || __ML2 || __ML4 || __HAS_X_MAILING_LIST || __HAS_X_MAILMAN_VERSION || __freemail_safe_rls header __freemail_replyto eval:check_freemail_replyto('replyto') meta FREEMAIL_REPLYTO __freemail_replyto && !__freemail_safe describe FREEMAIL_REPLYTO Reply-To/From or Reply-To/body contain different freemails score FREEMAIL_REPLYTO 2 header __freemail_reply eval:check_freemail_replyto('reply') meta FREEMAIL_REPLY __freemail_reply && !__freemail_replyto && !__freemail_safe describe FREEMAIL_REPLY From and body contain different freemails score FREEMAIL_REPLY 0.5 header FREEMAIL_FROM eval:check_freemail_from() describe FREEMAIL_FROM Sender email is commonly abused enduser mail provider score FREEMAIL_FROM 0.001 header FREEMAIL_ENVFROM_END_DIGIT eval:check_freemail_header('EnvelopeFrom', '\d@') describe FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit score FREEMAIL_ENVFROM_END_DIGIT 0.1 header FREEMAIL_REPLYTO_END_DIGIT eval:check_freemail_header('Reply-To', '\d@') describe FREEMAIL_REPLYTO_END_DIGIT Reply-To freemail username ends in digit score FREEMAIL_REPLYTO_END_DIGIT 0.1 #header FREEMAIL_SUBJECT eval:check_freemail_header('Subject') #describe FREEMAIL_SUBJECT Subject contains freemail #score FREEMAIL_SUBJECT 0.001 # Idea from John Hardin header __freemail_hdr_replyto eval:check_freemail_header('Reply-To') meta FREEMAIL_FORGED_REPLYTO __freemail_hdr_replyto && !FREEMAIL_FROM && !__freemail_safe describe FREEMAIL_FORGED_REPLYTO Freemail in Reply-To, but not From score FREEMAIL_FORGED_REPLYTO 0.1 endif
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