Binary package “kmail” in ubuntu trusty

full featured graphical email client

 KMail is a fully-featured email client that fits nicely into the KDE
 desktop. It has features such as support for IMAP, POP3, multiple accounts,
 mail filtering and sorting, PGP/GnuPG privacy, and inline attachments.
 .
 This package also contains Nepomuk EMail Feeder Akonadi Agent.
 .
 This package is part of the KDE PIM module.