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Current File : //proc/thread-self/root/var/lib/spamassassin/3.004004/updates_spamassassin_org/25_dkim.cf

# SpamAssassin - DKIM 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>
#
###########################################################################

# Requires the Mail::SpamAssassin::Plugin::DKIM plugin be loaded.

ifplugin Mail::SpamAssassin::Plugin::DKIM

# Note: DKIM_SIGNED, DKIM_VALID and DKIM_VALID_AU are mainly informational
# rules, and can serve as a basis for meta rules; it is not difficult for a
# sender to cause hits on them or to prevent them from firing, so their score
# should be kept low.

full     DKIM_SIGNED		eval:check_dkim_signed()
describe DKIM_SIGNED		Message has a DKIM or DK signature, not necessarily valid
tflags   DKIM_SIGNED		net
reuse    DKIM_SIGNED

full     DKIM_VALID		eval:check_dkim_valid()
describe DKIM_VALID		Message has at least one valid DKIM or DK signature
tflags   DKIM_VALID		net nice
reuse    DKIM_VALID

meta     DKIM_INVALID		DKIM_SIGNED && !DKIM_VALID
describe DKIM_INVALID		DKIM or DK signature exists, but is not valid

full     DKIM_VALID_AU		eval:check_dkim_valid_author_sig()
describe DKIM_VALID_AU		Message has a valid DKIM or DK signature from author's domain
tflags   DKIM_VALID_AU		net nice
reuse    DKIM_VALID_AU

if (version >= 3.004002)
full     DKIM_VALID_EF		eval:check_dkim_valid_envelopefrom()
describe DKIM_VALID_EF		Message has a valid DKIM or DK signature from envelope-from domain
tflags   DKIM_VALID_EF		net nice
reuse    DKIM_VALID_EF
endif

full     __DKIM_DEPENDABLE	eval:check_dkim_dependable()
describe __DKIM_DEPENDABLE	A validation failure not attributable to truncation
reuse    __DKIM_DEPENDABLE

header   DKIM_ADSP_NXDOMAIN	eval:check_dkim_adsp('N')
describe DKIM_ADSP_NXDOMAIN	No valid author signature and domain not in DNS
tflags   DKIM_ADSP_NXDOMAIN	net
reuse    DKIM_ADSP_NXDOMAIN

header   DKIM_ADSP_DISCARD	eval:check_dkim_adsp('D')
describe DKIM_ADSP_DISCARD	No valid author signature, domain signs all mail and suggests discarding the rest
tflags   DKIM_ADSP_DISCARD	net
reuse    DKIM_ADSP_DISCARD

header   DKIM_ADSP_ALL		eval:check_dkim_adsp('A')
describe DKIM_ADSP_ALL		No valid author signature, domain signs all mail
tflags   DKIM_ADSP_ALL		net
reuse    DKIM_ADSP_ALL

header   DKIM_ADSP_CUSTOM_LOW	eval:check_dkim_adsp('1')
describe DKIM_ADSP_CUSTOM_LOW	No valid author signature, adsp_override is CUSTOM_LOW
tflags   DKIM_ADSP_CUSTOM_LOW	net userconf
reuse    DKIM_ADSP_CUSTOM_LOW

header   DKIM_ADSP_CUSTOM_MED	eval:check_dkim_adsp('2')
describe DKIM_ADSP_CUSTOM_MED	No valid author signature, adsp_override is CUSTOM_MED
tflags   DKIM_ADSP_CUSTOM_MED	net userconf
reuse    DKIM_ADSP_CUSTOM_MED

header   DKIM_ADSP_CUSTOM_HIGH	eval:check_dkim_adsp('3')
describe DKIM_ADSP_CUSTOM_HIGH	No valid author signature, adsp_override is CUSTOM_HIGH
tflags   DKIM_ADSP_CUSTOM_HIGH	net userconf
reuse    DKIM_ADSP_CUSTOM_HIGH

full     __RESIGNER1     eval:check_dkim_valid('linkedin.com')
tflags   __RESIGNER1     net
reuse    __RESIGNER1
full     __RESIGNER2     eval:check_dkim_valid('googlegroups.com','yahoogroups.com','yahoogroups.de')
tflags   __RESIGNER2     net
reuse    __RESIGNER2
meta     __VIA_RESIGNER  __RESIGNER1 || __RESIGNER2
describe __VIA_RESIGNER  Mail through a popular signing remailer

meta     NML_ADSP_CUSTOM_LOW    DKIM_ADSP_CUSTOM_LOW  && !__VIA_ML && !__VIA_RESIGNER
describe NML_ADSP_CUSTOM_LOW    ADSP custom_low hit, and not from a mailing list

meta     NML_ADSP_CUSTOM_MED    DKIM_ADSP_CUSTOM_MED  && !__VIA_ML && !__VIA_RESIGNER
describe NML_ADSP_CUSTOM_MED    ADSP custom_med hit, and not from a mailing list

meta     NML_ADSP_CUSTOM_HIGH   DKIM_ADSP_CUSTOM_HIGH && !__VIA_ML && !__VIA_RESIGNER
describe NML_ADSP_CUSTOM_HIGH   ADSP custom_high hit, and not from a mailing list

if can(Mail::SpamAssassin::Plugin::DKIM::has_arc)
  full     ARC_SIGNED		eval:check_arc_signed()
  describe ARC_SIGNED		Message has a ARC signature
  tflags   ARC_SIGNED		net
  reuse    ARC_SIGNED

  full     ARC_VALID		eval:check_arc_valid()
  describe ARC_VALID		Message has a valid ARC signature
  tflags   ARC_VALID		net nice
  reuse    ARC_VALID

  meta     ARC_INVALID		ARC_SIGNED && !ARC_VALID
  describe ARC_INVALID		ARC signature exists, but is not valid
endif

#
# old, declared for compatibility with pre-3.3, should have scores 0
#

full   DKIM_VERIFIED		eval:check_dkim_valid()
tflags DKIM_VERIFIED		net nice
reuse  DKIM_VERIFIED

header DKIM_POLICY_TESTING	eval:check_dkim_testing()
tflags DKIM_POLICY_TESTING	net nice
reuse  DKIM_POLICY_TESTING

header DKIM_POLICY_SIGNSOME	eval:check_dkim_signsome()
tflags DKIM_POLICY_SIGNSOME	net nice
reuse  DKIM_POLICY_SIGNSOME

header DKIM_POLICY_SIGNALL	eval:check_dkim_signall()
tflags DKIM_POLICY_SIGNALL	net nice
reuse  DKIM_POLICY_SIGNALL

endif   # Mail::SpamAssassin::Plugin::DKIM