Guys, when replying to this message, you may want to remove/change the word "advice" in the Subject. It seems Mailman is picking up on "adv" there and holding it for a suspicious header (adv == advertisement?). Jeff -- J.W. Bizzaro Bioinformatics Organization, Inc. (Bioinformatics.Org) E-mail: jeff at bioinformatics.org Phone: +1 508 890 8600 --