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Current Path: /var/lib/spamassassin/4.000001/updates_spamassassin_org

var / lib / spamassassin / 4.000001 / updates_spamassassin_org /

📁 ..
📄 10_default_prefs.cf(8.56 KB)
📄 10_hasbase.cf(2.39 KB)
📄 20_advance_fee.cf(7.43 KB)
📄 20_aux_tlds.cf(39.63 KB)
📄 20_body_tests.cf(7.01 KB)
📄 20_compensate.cf(1.89 KB)
📄 20_dnsbl_tests.cf(10.3 KB)
📄 20_drugs.cf(15.16 KB)
📄 20_dynrdns.cf(11.12 KB)
📄 20_fake_helo_tests.cf(9.07 KB)
📄 20_freemail.cf(2.99 KB)
📄 20_freemail_domains.cf(40.36 KB)
📄 20_freemail_mailcom_domains.cf(4.32 KB)
📄 20_head_tests.cf(26.83 KB)
📄 20_html_tests.cf(10.49 KB)
📄 20_imageinfo.cf(5.18 KB)
📄 20_mailspike.cf(2.86 KB)
📄 20_meta_tests.cf(3.42 KB)
📄 20_net_tests.cf(1.84 KB)
📄 20_pdfinfo.cf(15.53 KB)
📄 20_phrases.cf(7.96 KB)
📄 20_porn.cf(2.01 KB)
📄 20_ratware.cf(16.48 KB)
📄 20_uri_tests.cf(5.9 KB)
📄 20_vbounce.cf(20.28 KB)
📄 23_bayes.cf(2.94 KB)
📄 25_accessdb.cf(1.51 KB)
📄 25_antivirus.cf(1.5 KB)
📄 25_asn.cf(1.93 KB)
📄 25_dcc.cf(2.89 KB)
📄 25_dkim.cf(5.58 KB)
📄 25_dmarc.cf(2.03 KB)
📄 25_dnswl.cf(2.99 KB)
📄 25_pyzor.cf(1.49 KB)
📄 25_razor2.cf(3.09 KB)
📄 25_replace.cf(20.98 KB)
📄 25_spf.cf(4.3 KB)
📄 25_textcat.cf(1.73 KB)
📄 25_uribl.cf(19.53 KB)
📄 25_url_redirectors.cf(3.44 KB)
📄 25_url_shortener.cf(10.76 KB)
📄 30_text_de.cf(25.69 KB)
📄 30_text_fr.cf(19.34 KB)
📄 30_text_it.cf(1.82 KB)
📄 30_text_nl.cf(20.15 KB)
📄 30_text_pl.cf(16.85 KB)
📄 30_text_pt_br.cf(41.93 KB)
📄 50_scores.cf(37.15 KB)
📄 60_adsp_override_dkim.cf(9.12 KB)
📄 60_awl.cf(1.48 KB)
📄 60_bayes_stopwords.cf(14.73 KB)
📄 60_shortcircuit.cf(2.36 KB)
📄 60_txrep.cf(1.31 KB)
📄 60_welcomelist.cf(11.34 KB)
📄 60_welcomelist_auth.cf(74.76 KB)
📄 60_welcomelist_dkim.cf(10.83 KB)
📄 60_welcomelist_spf.cf(6.1 KB)
📄 60_welcomelist_subject.cf(3.82 KB)
📄 72_active.cf(524.71 KB)
📄 72_scores.cf(28.24 KB)
📄 73_sandbox_manual_scores.cf(4.12 KB)
📄 MIRRORED.BY(1.05 KB)
📄 STATISTICS-set0-72_scores.cf.txt(1.46 KB)
📄 STATISTICS-set1-72_scores.cf.txt(1.46 KB)
📄 STATISTICS-set2-72_scores.cf.txt(0 B)
📄 STATISTICS-set3-72_scores.cf.txt(0 B)
📄 languages(130.47 KB)
📄 local.cf(3.14 KB)
📄 regression_tests.cf(2.71 KB)
📄 sa-update-pubkey.txt(4.67 KB)
📄 user_prefs.template(1.87 KB)

Editing: 20_imageinfo.cf

# SpamAssassin rules file: Image information tests
#
# 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::ImageInfo

## # you can match by image name
## body		DC_IMAGE001_GIF		eval:image_named('image001.gif')
## describe	DC_IMAGE001_GIF		Contains image named image001.gif

## # you can do exact image size matches
## body	 	DC_GIF_264_127  	eval:image_size_exact('gif','264','127')
## describe 	DC_GIF_264_127  	Found 264x127 pixel gif, possible pillz

# you can do image to text, or image to html ratios
rawbody		__DC_IMG_HTML_RATIO	eval:image_to_text_ratio('all', '0.000', '0.015')
describe	__DC_IMG_HTML_RATIO	Low rawbody to pixel area ratio

body		__DC_IMG_TEXT_RATIO	eval:image_to_text_ratio('all', '0.000', '0.008')
describe	__DC_IMG_TEXT_RATIO	Low body to pixel area ratio

# body		DC_GIF_TEXT_RATIO	eval:image_to_text_ratio('gif',0.000, 0.008)
# describe	DC_GIF_TEXT_RATIO	Low body to GIF pixel area ratio

# rawbody	DC_GIF_HTML_RATIO	eval:image_to_text_ratio('gif',0.000, 0.008)
# describe	DC_GIF_HTML_RATIO	Low rawbody to GIF pixel area ratio

# using exact size match to identify things like screenshots
# body	 	__SCREEN_640x480  	eval:image_size_exact('all',800,600)
# body	 	__SCREEN_800x600 	eval:image_size_exact('all',800,600)
# body	 	__SCREEN_1024x768 	eval:image_size_exact('all',1024,768)
# body	 	__SCREEN_1280x1024  	eval:image_size_exact('all',1280,1024)
# meta		DC_SCREENSHOT_JPG	( __SCREEN_640x480 || __SCREEN_800x600 || __SCREEN_1024x768 || __SCREEN_1280x1024 )
# describe	DC_SCREENSHOT_JPG	Contains image matching common screen resolution
# score		DC_SCREENSHOT_JPG	-0.01

# you can do minimum demension matches
# body	 	DC_GIF_300		eval:image_size_range('gif',300,300)
# describe	DC_GIF_300		Contains a 300x300 pixels gif or larger
# score		DC_GIF_300		0.01

# you can do ranged demension matches
# body	 	DC_JPEG_200_300		eval:image_size_range('gif', 200, 300, 250, 350)
# describe	DC_JPEG_200_300		Contains jpeg 200-250 (high) x 300-350 (wide)
# score		DC_JPEG_200_300 	0.01

# you can count the number of images (all or by image type)
body	 	__GIF_ATTACH_1		eval:image_count('gif','1','1')
body  		__GIF_ATTACH_2P		eval:image_count('gif','2')

body		__PNG_ATTACH_1		eval:image_count('png','1','1')
body  	 	__PNG_ATTACH_2P		eval:image_count('png','2')

body		__JPEG_ATTACH_1		eval:image_count('jpeg',1,1)
body		__JPEG_ATTACH_2P	eval:image_count('jpeg',2)

# you can determine pixel coverage (all or by image type)
body		__GIF_AREA_180K		eval:pixel_coverage('gif','180000','475000')
body		__PNG_AREA_180K		eval:pixel_coverage('png','180000','475000')
# body		__JPEG_AREA_180K	eval:pixel_coverage('jpeg',180000,475000)

# meta together something useful
meta	 	DC_GIF_UNO_LARGO	( __GIF_ATTACH_1 && __GIF_AREA_180K )
describe 	DC_GIF_UNO_LARGO  	Message contains a single large gif image

meta		__DC_GIF_MULTI_LARGO 	( __GIF_ATTACH_2P && __GIF_AREA_180K )
describe	__DC_GIF_MULTI_LARGO  	Message has 2+ inline gif covering lots of area

meta	 	DC_PNG_UNO_LARGO	( __PNG_ATTACH_1 && __PNG_AREA_180K )
describe 	DC_PNG_UNO_LARGO	Message contains a single large png image

meta	 	__DC_PNG_MULTI_LARGO 	( __PNG_ATTACH_2P && __PNG_AREA_180K )
describe	__DC_PNG_MULTI_LARGO  	Message has 2+ png images covering lots of area

# meta	 	DC_JPEG_UNO_LARGO 	( __JPEG_ATTACH_1 && __JPEG_AREA_180K )
# describe	DC_JPEG_UNO_LARGO  	Message hash single large jpeg image

# meta	 	DC_JPEG_MULTI_LARGO 	( __JPEG_ATTACH_2P && __JPEG_AREA_180K )
# describe	DC_JPEG_MULTI_LARGO  	Message has 2+ jpeg images covering lots of area

meta		DC_IMAGE_SPAM_TEXT		( !__HAS_URI && __DC_IMG_TEXT_RATIO && ( DC_GIF_UNO_LARGO || DC_PNG_UNO_LARGO || __DC_GIF_MULTI_LARGO || __DC_PNG_MULTI_LARGO ))
describe	DC_IMAGE_SPAM_TEXT		Possible Image-only spam with little text

# meta the stock rules together for HTML_IMAGE_ONLY_*
meta		__HTML_IMG_ONLY			( HTML_IMAGE_ONLY_04 || HTML_IMAGE_ONLY_08 || HTML_IMAGE_ONLY_12 || HTML_IMAGE_ONLY_16 || HTML_IMAGE_ONLY_20 || HTML_IMAGE_ONLY_24 || HTML_IMAGE_ONLY_28 )

meta		DC_IMAGE_SPAM_HTML		(!__HAS_URI && ( __HTML_IMG_ONLY  || __DC_IMG_HTML_RATIO ) && ( DC_GIF_UNO_LARGO || DC_PNG_UNO_LARGO || __DC_GIF_MULTI_LARGO || __DC_PNG_MULTI_LARGO ))
describe	DC_IMAGE_SPAM_HTML		Possible Image-only spam

endif

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Editing: 20_imageinfo.cf

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