A patch to support POP over SSL. This requires Python 2.4, which includes SSL support in poplib.

This feature was necessary for me because currently the out-of-the-box configurations of roundup and Exchange to not have any mutually compatible POP authentication methods.

It was also recently requested on the roundup-users list:
http://comments.gmane.org/gmane.comp.bug-tracking.roundup.user/7394