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66 lines
3.0 KiB
CFEngine3
66 lines
3.0 KiB
CFEngine3
# SpamAssassin - FreeMail rules
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#
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# Please don't modify this file as your changes will be overwritten with
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# the next update. Use /etc/mail/spamassassin/local.cf instead.
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# See 'perldoc Mail::SpamAssassin::Conf' for details.
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#
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# <@LICENSE>
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to you under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at:
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# </@LICENSE>
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#
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###########################################################################
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ifplugin Mail::SpamAssassin::Plugin::FreeMail
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body __freemail_safe_fwd /---\s?(?:(?:Forwarded|Original) message|Alkuper(?:\xe4|\xc3\xa4)inen viesti)/i
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header __freemail_safe_rls X-Spam-Relays-External =~ /^[^\]]+ rdns=\S+\.(?:tfbnw\.net|ebay\.com|tieto\.com) /
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meta __freemail_safe __freemail_safe_fwd || __ML2 || __ML4 || __HAS_X_MAILING_LIST || __HAS_X_MAILMAN_VERSION || __freemail_safe_rls
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header __freemail_replyto eval:check_freemail_replyto('replyto')
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meta FREEMAIL_REPLYTO __freemail_replyto && !__freemail_safe
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describe FREEMAIL_REPLYTO Reply-To/From or Reply-To/body contain different freemails
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score FREEMAIL_REPLYTO 2
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header __freemail_reply eval:check_freemail_replyto('reply')
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meta FREEMAIL_REPLY __freemail_reply && !__freemail_replyto && !__freemail_safe
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describe FREEMAIL_REPLY From and body contain different freemails
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score FREEMAIL_REPLY 0.5
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header FREEMAIL_FROM eval:check_freemail_from()
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describe FREEMAIL_FROM Sender email is commonly abused enduser mail provider
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score FREEMAIL_FROM 0.001
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header FREEMAIL_ENVFROM_END_DIGIT eval:check_freemail_header('EnvelopeFrom', '\d@')
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describe FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit
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score FREEMAIL_ENVFROM_END_DIGIT 0.1
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header FREEMAIL_REPLYTO_END_DIGIT eval:check_freemail_header('Reply-To', '\d@')
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describe FREEMAIL_REPLYTO_END_DIGIT Reply-To freemail username ends in digit
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score FREEMAIL_REPLYTO_END_DIGIT 0.1
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#header FREEMAIL_SUBJECT eval:check_freemail_header('Subject')
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#describe FREEMAIL_SUBJECT Subject contains freemail
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#score FREEMAIL_SUBJECT 0.001
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# Idea from John Hardin
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header __freemail_hdr_replyto eval:check_freemail_header('Reply-To')
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meta FREEMAIL_FORGED_REPLYTO __freemail_hdr_replyto && !FREEMAIL_FROM && !__freemail_safe
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describe FREEMAIL_FORGED_REPLYTO Freemail in Reply-To, but not From
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score FREEMAIL_FORGED_REPLYTO 0.1
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endif
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