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Mail clients

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Evolution - gnome Mulberry - all Kmail - KDE Opera - all Opera - all Seamonkey

Welcome to mail clients page

There are many useful mail clients in openSUSE.


Mozilla owns a variety of applications, mostly Thunderbird, Mozilla suite and Seamonkey. They are all multi-platform (Linux, Windows, Mac...) and on Linux they use GTK.

Mozilla Thunderbird

Very famous e-mail client from Mozilla. It is quite fast even with big amount of mails. You can use it in every environment.
Toolkit: GTK
Recommendation: all window_manager
License: GPL


All in one application, intergates browser and the mailer. Strong points: e-mail client and news reader, supports many mail accounts, supports multiple user identities


Multi-platform pim program. Great support for IMAP. It is not integrated either with KDE nor with GNOME Toolkit: own
Recommendation: all [window manager]s]
License: GPL


KMail is a mail client developed by KDE. It has good integration with KDE's Plasma Desktop, Netbook, Mobile and Mediacenter interfaces and KDE applications like the KDE address book. It works easily with well over 100.000 mails in a single folder and is very configurable & efficient to use. It runs in all desktop environments as well as Windows, Mac OS X and on mobile phones. Kontact is an application which combines KMail with KOrganizer, KAddressbook and more components in one application to offer even more functionality than Outlook.
Toolkit: Qt
Recommendation: KDE and all others
License: GPL


Evolution is default GNOME mail client. It offer many features, but can be a little slow if you have many mails. It offers most functionality MS Outlook does and is compattible with not-too-recent versions of MS Exchange Servers. Evolution is deeply integrated in GNOME but it is possible to use it in other environments. However if you do expect that Evolution will bring in several unrelated packages.
Toolkit: GTK
Recommendation: GNOME XFCE
License: GPL


Opera is QT based multi-platform web browser with integrated mail client. Mail client offer many interesting and innovating features. Although it is QT based Opera have no deep bindings in KDE and could be used in all environments. Opera is not open source software.
Toolkit: Qt
Recommendation: all
License: freeware

Claws Mail

Claws Mail (originally called Sylpheed Claws) is an email client (and news reader), based on GTK+, featuring

  • Quick response
  • Graceful, and sophisticated interface
  • Easy configuration, intuitive operation
  • Abundant features
  • Extensibility


Mutt is a small but very powerful text-based mail client for Unix operating systems.
Toolkit: none
Recommendation: all
License: GPL

GNU Emacs

Emacs is a Text editor, that can be used in the konsole as a text based program or graphical in a window.
Emacs is capable of so much more than editing text files, through its modes.
Two such modes are:


Rmail is a mail reader, which can be used for reading and sending Email from any E-mail account.


Gnus is a newsreader, which can also be used for Email.