Claws Mail is a GTK+ based, lightweight, and fast e-mail client and newsreader. Supports POP3, APOP, IMAP, SMTP, SMTP AUTH, NNTP, LDAP, multiple accounts, spell-checking, addressbook, SSL, GPG, filtering, i18n, & more. It is further extended by plugins. Lots of extra functionality, like an RSS aggregator, calendar, or laptop LED handling, are provided by extra plugins. 

Claws Mail - Email Client and News Reader Based on GTK+

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client. It provides intuitive user-interface, Powerful filtering and search, Junk mail control, Security features (GnuPG, SSL/TLSv1). Sylpheed supports not only the major protocols such as POP3, IMAP4rev1 and SMTP, but also NNTP (NetNews). IPv6, which is the next-generation Internet protocol, is also supported by default.

Sylpheed - Lightweight and user-friendly e-mail client

KMail is the email component of Kontact, the integrated personal information manager from KDE. It supports the standard mail protocols IMAP, POP3 and SMTP. It supports authentication via NTLM (Microsoft Windows) and GSSAPI (Kerberos). It has  native support for inline OpenPGP, PGP/MIME, and S/MIME.    

KMail - KDE Email Application

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Claws Mail - Email Client and News Reader Based on GTK+

Sylpheed - Lightweight and user-friendly e-mail client

KMail - KDE Email Application

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Projects

Claws Mail - Email Client and News Reader Based on GTK+

Sylpheed - Lightweight and user-friendly e-mail client

KMail - KDE Email Application

TechStack

Tagcloud

License