# SpamAssassin - Hashcash rules
#
# Please don't modify this file as your changes will be overwritten with
# the next update. Use @@LOCAL_RULES_DIR@@/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::Hashcash plugin be loaded.
ifplugin Mail::SpamAssassin::Plugin::Hashcash
header HASHCASH_20 eval:check_hashcash_value('20', '21')
header HASHCASH_21 eval:check_hashcash_value('21', '22')
header HASHCASH_22 eval:check_hashcash_value('22', '23')
header HASHCASH_23 eval:check_hashcash_value('23', '24')
header HASHCASH_24 eval:check_hashcash_value('24', '25')
header HASHCASH_25 eval:check_hashcash_value('25', '26')
header HASHCASH_HIGH eval:check_hashcash_value('26', '9999')
tflags HASHCASH_20 nice userconf
tflags HASHCASH_21 nice userconf
tflags HASHCASH_22 nice userconf
tflags HASHCASH_23 nice userconf
tflags HASHCASH_24 nice userconf
tflags HASHCASH_25 nice userconf
tflags HASHCASH_HIGH nice userconf
describe HASHCASH_20 Contains valid Hashcash token (20 bits)
describe HASHCASH_21 Contains valid Hashcash token (21 bits)
describe HASHCASH_22 Contains valid Hashcash token (22 bits)
describe HASHCASH_23 Contains valid Hashcash token (23 bits)
describe HASHCASH_24 Contains valid Hashcash token (24 bits)
describe HASHCASH_25 Contains valid Hashcash token (25 bits)
describe HASHCASH_HIGH Contains valid Hashcash token (>25 bits)
# This should NOT be a high score; it's possible for this to happen if
# a mail is sent to a list, and CC'd to you. However, if it does fire,
# it'll cancel out the hashcash "bonus" rule.
#
header HASHCASH_2SPEND eval:check_hashcash_double_spend()
describe HASHCASH_2SPEND Hashcash token already spent in another mail
tflags HASHCASH_2SPEND userconf
endif # Mail::SpamAssassin::Plugin::Hashcash