Gi'day, In order to change the e-mail <ID@Node> of a fellow ListOwner we used to send Listserv: get nameofList header (nolock Effect the e-mail <ID@Node> change in the Header and return same to Listserv with: put nameofList haader. Evidently things have changes since then as: "(nolock is seen as an: Extraneous parameter - "(nolock". What's the correct format (and commands) to change a ListOwner's <ID@Node> in your header now ? Thank you. Dave J.