Access mail archives by date, thread, author and subject

period	re-sorted			messages
October to December 2003	by thread	by author	by subject	1
April to June 2003	by thread	by author	by subject	2
October to December 2002	by thread	by author	by subject	1
April to June 1998	by thread	by author	by subject	9
January to March 1998	by thread	by author	by subject	1