Access mail archives by date, thread, author and subject

period	re-sorted			messages
August 2007	by thread	by author	by subject	1
November 2006	by thread	by author	by subject	5
October 2006	by thread	by author	by subject	5
September 2006	by thread	by author	by subject	34
August 2006	by thread	by author	by subject	19