Check out libspf for SPF support.
Establish standard names for messages when errors happen and such.
Check out bmf as an alternative spam filter.
Implement a spam handler too for global spam protection.
Implement the SQLAlchemy store again, and look at a TC backend.
Implement a USR1 signal handler to reset states inside lamson.
Add a 'word wrap' feature to lamson.view.
Add methods to MailRequest for managing attached files.
