We standardized all of our addresses to be @domain.org. The question is that even if not doable on a global basis, what would be the method of adjusting the sub/unsub headers... TIA. Pete Weiss wrote: > Regardless of the technical details, I think something in the form > > LISTS.domain.org > > would be preferrable. This allows you to easily separate the traffic for various purposes (anti-spam, blacklisting, load balancing), even if not right now e.g., LISTS.domain.org might MX to domain.org (if that is the A record). > > Just my 2 bits. > > /Pete > -- °(((=((===°°°(((===========================================