[gravypod]

What about Thunderbird?

[THRWAWA20160222]

Unfortunately not maintained any more.

[gravypod]

Wait, when did this happen?

[THRWAWA20160222]

A few years ago -

http://techcrunch.com/2012/07/06/so-thats-it-for-thunderbird...

http://forums.mozillazine.org/viewtopic.php?f=39&t=2499053&s...

[gravypod]

From what I am reading it is being maintained. Is this the case or am I incorrect?

[THRWAWA20160222]

You are right! TIL Thunderbird is still being maintained!

[gravypod]

Yep, but on another note if you don't need all of the features of thunder bird and you are looking for something self hosted check out http://www.rainloop.net/