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1. Read any extra info available with the plugins, including the comments in the .cf files, or the POD documentation in the .pm file.
2. Check to make sure that the default scores fit your installation. You might want to modify scores.
3. Make sure to --lint the rules after loading them.
4. Test the new plugin. Keep an eye on hits from the new rules to determine if the scoring is right for you.

Use at your own risk. These plugins are not generally audited for security, performance or compatibility for any specific SpamAssassin version.

Status Information

Active: Plugin is actively updated and maintained

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Mail::SpamAssassin::Plugin::EspAttachmentDetail

SpamAssassin plugin for Invaluement.com Service Provider DNSBLs ("SPBL")to check attachment details

Created by: Giovanni BechisKent Oyer

License Type: Apache License, Version 2.0?

Status: Active

Maintained as of: 20202023-0805-2318

Added: 20202023-0905-0918

Available at: https://github.com/bigio/spamassassin-espmxguardian/Mail-SpamAssassin-Plugin-AttachmentDetail

Mail::SpamAssassin::Plugin::DmarcDmarc policy checkASCII

SpamAssassin plugin to convert non-ASCII characters to their ASCII equivalents

Created by: Giovanni BechisKent Oyer

License Type: Apache License, Version 2.0?

Status: Active

Maintained as of: 20202023-0405-2012

Added: 20202023-0605-0412

Available at: https://github.com/bigiomxguardian/spamassassin-dmarcMail-SpamAssassin-Plugin-ASCII

Mail::SpamAssassin::Plugin::ClamAVPDFInfo2

Improved PDF Plugin for SpamAssassinVirus check using Clamav antivirus

Created by: Giovanni BechisKent Oyer

License Type: Apache License, Version 2.0?

Status: Active

Maintained as of: 20202023-01-1826

Added: 20202023-0601-0426

Available at: https://github.com/bigio/spamassassin-clamav

TesseractOCR

mxguardian/Mail-SpamAssassin-Plugin-PDFInfo2

Mail::SpamAssassin::Plugin::Esp

Image scanning with Tesseract OCR engineSpamAssassin plugin for Invaluement.com Service Provider DNSBLs ("SPBL")

Created by: MailCleaner / Fastnet SAGiovanni Bechis

License Type: Apache License, Version 2.0

Status: Active

Maintained as of: 2020-0308-0223

Added: 2020-0309-0209

Available at: https://github.com/MailCleanerbigio/TesseractOcrspamassassin-esp

Mail::SpamAssassin::Plugin::iXhash2

iXhash2 is an unofficial improved version of iXhash plugin for SpamAssassin, adding async DNS lookups for performance and removing unneeded features. It's fully compatible with the iXhash 1.5.5 (https://sourceforge.net/projects/ixhash/) implementation. It computes MD5 checksums of fragments of the body of an e-mail and compares them to those of know spam using DNS queries to a RBL-like name server.

Created by: Henrik Krohns

ClamAV

Virus check using Clamav antivirus

Created by: Giovanni Bechis

License Type: Apache License, Version 2.0

Status: Active

Maintained as of: 2020-01-18

Added: 2020-06-04

Available at: https://github.com/bigio/spamassassin-clamav

TesseractOCR

Image scanning with Tesseract OCR engine

Created by: MailCleaner / Fastnet SA

License Type: Apache License Type: Apache License, Version 2.0

Status: Active

Maintained as of: 20212020-0403-2502

Added: 20212020-0403-2502

Available at: https://mailfudgithub.orgcom/iXhash2MailCleaner/TesseractOcr

Mail::SpamAssassin::Plugin::RedisAWL

redis support for spamassassin AWL/TxRep

Created by: Markus Benning

iXhash2

Contact: iXhash2 is an unofficial improved version of iXhash plugin for SpamAssassin, adding async DNS lookups for performance and removing unneeded features. It's fully compatible with the iXhash 1.5.5 (https://markusbenning.de/sourceforge.net/projects/ixhash/) implementation. It computes MD5 checksums of fragments of the body of an e-mail and compares them to those of know spam using DNS queries to a RBL-like name server.

Created by: Henrik Krohns

License Type: License Type: Apache License, Version 2.0

Status: Active

Maintained as of: 20152021-0604-0825

Added: 20152021-0604-1125

Available at: https://metacpanmailfud.org/release/Mail-SpamAssassin-Plugin-RedisAWLiXhash2/

Mail::SpamAssassin::Plugin::RuleTimingRedisRedisAWL

collect SA rule timings in redisredis support for spamassassin AWL/TxRep

Created by: Markus Benning

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Added: 2015-06-11

Available at: https://metacpan.org/release/Mail-SpamAssassin-Plugin-RuleTimingRedisRedisAWL

Note: The collectd plugin CollectdMail::SpamAssassin::PluginsPlugin::RedisClient could be used to record counter values.

Botnet

Botnet looks for possible botnet sources of email by checking various DNS values that indicate things such as other ISP's clients or workstations, or misconfigured DNS settings that are more likely to happen with client or workstation addresses than servers. Mirrored for educational purposes with applied patches, as it seems abandonded and nowhere to be found. No other changes are done. As the plugin has some interesting idea's there might be a (partial) rewrite in the future.

Original Author: John Rudd

Maintainer: Thijs Eilander

Contact: via github

License Type: GNU General Public License

RuleTimingRedis

collect SA rule timings in redis

Created by: Markus Benning

Contact: https://markusbenning.de/

License Type: Apache License, Version 2.0

Status: ActiveStatus: Inactive but works fine on 3.4.1

Maintained as of: 20142015-1106-1908

Added: 2015-0506-1411

Available at: https://githubmetacpan.comorg/eilandert/Botnet.pm

Mail::SpamAssassin::Plugin::DecodeShortURLs

Decodes shortened URLs via HTTP HEAD request to the shortening service and adds the decoded URL into the list of URIs extracted by SpamAssassin for other plugins to find (e.g. URIDNSBL).

Created by: Steve Freegard

Contact: steve.freegard at fsl.com

License Type: Apache

Status: Active

Maintained as of: 2013-03-13

release/Mail-SpamAssassin-Plugin-RuleTimingRedis

Note: The collectd plugin Collectd::Plugins::RedisClient could be used to record counter values.

Botnet

Botnet looks for possible botnet sources of email by checking various DNS values that indicate things such as other ISP's clients or workstations, or misconfigured DNS settings that are more likely to happen with client or workstation addresses than servers. Mirrored for educational purposes with applied patches, as it seems abandonded and nowhere to be found. No other changes are done. As the plugin has some interesting idea's there might be a (partial) rewrite in the future.

Original Author: John Rudd

Maintainer: Thijs Eilander

Contact: via github

License Type: GNU General Public License

Status: Inactive but works fine on 3.4.1

Maintained as of: 2014-11-19

Added: 2015-05-14Added: 2010-09-17

Available at: https://github.com/smfreegardeilandert/DecodeShortURLsBotnet.pm

MTX

A distributed DNS whitelist. (Named after MX records plus the abbreviation "TX" for "transmit".)

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