On 30 Jan 2013, at 14:55, Brian Schenkenberger, VAXman- wrote: Sampsa Laine <sampsa at mac.com> writes: Back when I worked in one of my Uncle Sam's DoD research labs, all email was handled on the VMS cluster and distributed to other mail servers and clients in the labs. PMDF was the engine used there for this task. If you don't anticipate HUGE volume of email, even MX could do this and MX is freeware. So MX can do the subdomain -> decnet node name conversion?