KMail is the email component of Kontact, the integrated personal information manager from KDE.

Features

  • Supports the standard mail protocols IMAP, POP3 and SMTP.
  • Supports authentication via NTLM (Microsoft Windows) and GSSAPI (Kerberos)
  • Supports plain text and secure logins, using SSL and TLS.
  • Integration of international character sets and spell-checking (as-you-type and on demand)
  • Native support for inline OpenPGP, PGP/MIME, and S/MIME.
  • Reading and writing of HTML mail.
  • Ability to display plain text only from an HTML mail.
  • Allows you to receive and accept invitations.
  • Integration with popular spam checkers, e.g. SpamAssassin, Bogofilter, etc.
  • An optional spam probability meter can be displayed
  • Powerful search and filter abilities
  • Can import mail from many other clients
  • Searching in IMAP folders fully supported
  • Highly integrated with other Kontact components
  • Encrypted password saving in KWallet
  • Flagging and tagging of messages to aid sorting and recovery of information
  • Supports mailing list management features
  • Can replace text smilies with emoticons
  • Displays the sender's picture or avatar if present in the address book
  • Supports X-Face (b/w pictures in messages)
  • Compression of attachments
  • KMail supports Groupware functionality.