AcpiNotifier by Colin Leroy & the Claws Mail Team

This plugin enables mail notification via LEDs on some laptops (Acer, ASUS, Fujitsu, IBM).
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AddressKeeper by Ricardo Mones & the Claws Mail Team

Keeps all recipient addresses in a designated addressbook folder.

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AttRemover by Colin Leroy & the Claws Mail Team

This plugin lets you remove attachments from emails.

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AttachWarner by Ricardo Mones & the Claws Mail Team

Warns when the user composes a message mentioning an attachment in the message body without attaching any files to the message.
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Bogofilter by The Claws Mail Team

Enables the scanning of incoming mail received from a POP, IMAP, or LOCAL account using Bogofilter. It can optionally delete mail identified as spam or save it to a designated folder. Bogofilter is a pure Bayesian filter, therefore it has better speed performance than SpamAssassin but might catch less spam. Bogofilter is available from https://bogofilter.org/
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BSfilter by Colin Leroy & the Claws Mail Team

Check all messages that are received from an IMAP, LOCAL or POP account for spam using Bsfilter.

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Clamd by Michael Rasmussen & the Claws Mail Team

This plugin scans all messages that are received from an IMAP, LOCAL or POP account using clamd (Clam AV).

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Dillo HTML Viewer by The Claws Mail Team

Enables the viewing of html messages using the Dillo web browser, version 3.0.0 or newer. It uses Dillo's --local option by default for safe browsing.
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Fancy by Salvatore De Paolis & the Claws Mail Team

Renders HTML e-mail using the WebKit library

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Fetchinfo by The Claws Mail Team

This plugin inserts headers containing some download information: UIDL, Claws' account name, POP server, user ID and retrieval time.

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Keyword Warner by The Claws Mail Team

Shows a warning when sending or queueing a message and a reference to one or more keywords is found in the message text.

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Libravatar by Ricardo Mones & the Claws Mail Team

Displays libravatar/gravatar profiles' images or a dynamically generated or predefined alternative. Libravatar federated user domains are also supported.
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LiteHTML Viewer by Andrej Kacian & the Claws Mail Team

Viewer plugin for HTML emails, using the litehtml library (www.litehtml.com/).

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Mail Archiver by Michael Rasmussen & the Claws Mail Team

This plugin adds archiving features to Claws Mail.

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mailMBOX by Hoà Viêt Dinh & the Claws Mail Team

This plugin handles mailboxes in mbox format.

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ManageSieve by Charles Lehner & the Claws Mail Team

This plugin lets you manage Sieve filters on servers that support the ManageSieve protocol.
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NewMail by H.Merijn Brand & the Claws Mail Team

This plugin writes a msg header summary to a log file, (Default: ~/Mail/NewLog), on arrival of new mail after sorting.

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Notification by Holger Berndt & the Claws Mail Team

This plugin provides various ways to notify the user of new and unread email.
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PDF Viewer by Salvatore De Paolis & the Claws Mail Team

This plugin enables the viewing of PDF and PostScript attachments using the Poppler library and GhostScript.
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Perl by Holger Berndt & the Claws Mail Team

This plugin is intended to extend the filtering possibilities of Claws Mail. It provides a Perl interface to Claws Mail's filtering mechanism, allowing the use of full Perl power in email filters.
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PGP/Core by The Claws Mail Team

Handles core PGP functions and is a dependency of both the PGP/Inline and PGP/MIME plugins. Requires GnuPG and GPGME: http://www.gnupg.org/gpgme.html
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PGP/Inline by The Claws Mail Team

Handles PGP/Inline signed and/or encrypted mails. You can decrypt mails, verify signatures or sign and encrypt your own mails. Requires GnuPG and GPGME: http://www.gnupg.org/gpgme.html
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PGP/MIME by The Claws Mail Team

Handles PGP/MIME signed and/or encrypted mails.You can decrypt mails, verify signatures or sign and encrypt your own mails. Requires GnuPG and GPGME: http://www.gnupg.org/gpgme.html
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Python by Holger Berndt & the Claws Mail Team

This plugin provides Python integration features.
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RSSyl by Andrej Kacian & the Claws Mail Team

This plugin allows you to read your favourite newsfeeds in Claws. RSS 1.0, 2.0 and Atom feeds are currently supported.

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S/MIME by The Claws Mail Team

This plugin handles S/MIME signed and/or encrypted mails. You can decrypt mails, verify signatures or sign and encrypt your own mails.

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SpamAssassin by The Claws Mail Team

Enables the scanning of incoming mail received from a POP, IMAP, or LOCAL account using SpamAssassin. It can optionally delete mail identified as spam or save it to a designated folder, and also can be used to train a local SpamAssassin (or a remote one if SpamAssassin >= 3.1 is installed both locally and remotely). According to your SpamAssassin server configuration, it can show worse performance than Bogofilter, (slower, eating more CPU), but can catch spam with better accuracy. SpamAssassin is available from http://spamassassin.apache.org/
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SpamReport by Colin Leroy & the Claws Mail Team

This plugin reports spam to various places.

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TNEF parse by Colin Leroy & the Claws Mail Team

This plugin enables reading application/ms-tnef attachments.
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vCalendar by Colin Leroy & the Claws Mail Team

This plugin enables vCalendar message handling like that produced by Evolution or Outlook, and handles webCal subscriptions. It provides a personal calendar and public calendar import
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