Committed a while ago, but believed to be related to FromRepository:
RFC 2822 section 3.4 says that To: fields don't have to have <>. Also, the Mail object's idea of Sender, which is really the SMTP MAIL FROM: <reverse-path> parameter, should come from the Return-Path. Next step should be to deprecate setSender/getSender for setReversePath/getReversePath.
Comitted 8/28/2003 by Noel.