On Wed, 30 Jan 2013 06:48:04 -0800 "Bob Armstrong" <bob at jfcl.com> wrote: So MX can do the subdomain -> decnet node name conversion? You guys know that there's already an SMTP <-> HECnet/MAIL11 gateway, right? There has been for years.. Nope...I had no idea. (If there was an archive for this group, we wouldn't keep re-inventing the same thing!). Yeah, re-inventing the wheel sucks. I'd be interested in knowing what you are using to back it. Regards, Tim.