[ghostDancer]

Have you tried Claws mail? :http://www.claws-mail.org/ It has support for gpg (inline and mime) and is multiplatform, maybe you have done and you don't like it

[pyre]

Last time I tried Claws mail (which was years ago) the interface left something to be desired. It was too cluttered, and difficult to use on a small (1024x768) screen.

[mellamoyo]

+1 I've had the same experience.

[X4]

And that didn't change when I opened Claws today