Mailer/#25: POP3 support

Bug report from khorben on 05/10/2006 04:20:17

Mailer currently lacks POP3 support.

khorben05/06/2011 05:08:57

POP3 support is in a fairly good shape by now.

khorben07/03/2011 00:46:02

Initial support has been committed, although it cannot claim to be fully functional yet.