Claws Mail

Plans and prices

Every plan, in full

On the record

App coverage

allclaws-mail.org · read 21 Sep 2026

Calendar tools

Yesclaws-mail.org · read 21 Sep 2026

Email features

Features include multiple accounts, threaded display, filtering, MIME attachments, address book, printing, and search.claws-mail.org · read 11 Oct 2026

Encryption

The features page lists GnuPG support with GPGME and describes full GnuPG support, including signing and encryption options.claws-mail.org · read 11 Oct 2026

History

The user manual says Claws Mail has existed since April 2001, initially under the name Sylpheed-Claws.claws-mail.org · read 11 Oct 2026

HTML email limitation

The user manual states that Claws Mail does not let users write and send HTML emails.claws-mail.org · read 11 Oct 2026

Integrations

The FAQ includes guidance for LDAP, Microsoft Exchange, Gmail, Tor, and OAuth2.claws-mail.org · read 11 Oct 2026

Mail storage

Messages are managed in the standard MH format, which the site describes as offering fast access and data security.claws-mail.org · read 11 Oct 2026

Offline access

Yesclaws-mail.org · read 21 Sep 2026

Plugins

Extra plugins provide functionality such as RSS aggregation, a calendar, and laptop LED handling.claws-mail.org · read 11 Oct 2026

Product

Claws Mail is an email client and news reader based on GTK+.claws-mail.org · read 11 Oct 2026

Protocols

The features page lists SSL support for POP3, SMTP, IMAP4rev1, and NNTP.claws-mail.org · read 11 Oct 2026

Release

The site identifies version 4.4.0, released on 09 March 2026, as the latest release.claws-mail.org · read 11 Oct 2026

Scheduled sending

Noclaws-mail.org · read 21 Sep 2026

Support

The project offers a users' support and discussion mailing list and an IRC channel for help and feedback.claws-mail.org · read 11 Oct 2026

Windows support

The maker provides 32-bit and 64-bit Windows downloads and says most Claws Mail features are available in the Windows port.claws-mail.org · read 11 Oct 2026

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