I run NT service pack 6, with Listserv 1.8d and lsmtp 1.1.b without any problems. Bill Hamilton CNN Interactive -----Original Message----- From: GROSS, Jason [mailto:[log in to unmask]] Sent: Tuesday, December 21, 1999 4:48 PM To: [log in to unmask] Subject: Service Pack 6- Y2K Greetings We are using version 1.1b of LSMTP & Listserv Version 1.8d If we install Microsoft NT Service Pack 6 on the machine that is running these, will these work OK? Has anyone tried this? Thanks in advance for any help. Jason Gross National Audubon Society