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Claws Mail is a free and open-source, GTK+-based email and news client. It offers easy configuration and an abundance of features. It stores mail in the MH mailbox format and also the Mbox mailbox format via a plugin. Claws Mail runs on both Windows and Unix-like systems such as Linux, BSD, and Solaris.
Main window of Claws Mail 2.7.1
|Developer(s)||The Claws Mail Team|
|Initial release||May 11, 2001|
|Stable release||3.17.4 (July 26, 2019) [±]|
|Preview release||None [±]|
|Written in||C (with GTK+)|
|Operating system||BSD, Linux, macOS, Solaris, Unix, Windows|
|Type||E-mail client, news client|
Formerly known as Sylpheed-Claws, it started in April 2001 as the development version of Sylpheed, where new features could be tested and debugged, but evolved enough to now be a completely separate program. It forked completely from Sylpheed in August 2005.
Claws Mail provides many features, among them are:
Claws Mail is unable to send HTML mail. This is intentional. According to the developers, this decision has been made after a discussion, although no details are given. It is still possible to receive HTML mail using Claws Mail.
Claws Mail's features can be extended with plugins, such as
- "Latest News". Retrieved 2019-09-22.
- Features pages on claws-mail.org
- General Information - Claws Mail FAQ
- Plugins page on claws-mail.org