Claws Mail

Last Updated on: 17th November 2023, 07:30 pm

Web site:
Category: Network
Subcategory: E-mail Clients
Platform: BSD, Cygwin, Linux, OS X, Solaris, UNIX-like, Windows
License: GPL
Interface: GUI
First release: May 11, 2001

Claws Mail – a free and open-source email and news client which is available for Windows and Unix-like operating systems such as Linux, BSD, and Solaris. It has been created in 2001 as a for of Sylpheed with a name of Sylpheed-Claws. It stores mail in the MH mailbox format and also the Mbox mailbox format via a plugin.

Main features are:
– Multiple accounts
– Threaded display
– Filtering
– Mime attachments
– Usenet news reading and posting
– SSL over POP3, SMTP, IMAP4rev1 and NNTP protocols
– GnuPG support (with GPGME)
– User-defined headers
– Colour labels
– Multiple MH folder support
– Mbox import/export
– External editor
– Message queueing and drafting
– Automated mail checking
– Line-wrapping
– Clickable URIs
– Addressbook
– Printing
– Plugin mechanism

Claws Mail functionality can be extended by using plugins, for example:
– Antispam (SpamAssassin, Bogofilter)
– RSS reader
– HTML browsers (Dillo, GtkHtml2, Fancy HTML Viewer)
– System tray icon
– Support for LEDs of some laptops
– Support for the mailbox format,
– Various notification plugins
– Perl filtering
– Extensive organizer (vCalendar)
– TNEF parser enabling reading of app/ms-tnef attachments
– Tool for archiving account folders – IMAP, POP or local – as well as vCalendar (Mail Archiver) folders.

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