On Oct 01, 2015, at 10:18 PM, Dmitry Gutov wrote:

>Last time the discussion of bug trackers came up, certain people stated a
>strong preference for bug trackers that have an Emacs interface (like the
>debbugs package in ELPA). And AFAIK RMS always required that the bug tracker
>could be used entirely over email.

There's also Roundup which is used by the Python project.  It's very email
friendly and has a good web ui too.

http://roundup-tracker.org/

Cheers,
-Barry