> > 2. I was trying to set up a LAN-only smtpd server on OpenBSD, but > > sendmail on my mac doesn't seem to be able to resolve OpenBSD's name
> I guess that sendmail is probably doing DNS lookups directly rather > than hostname lookups so probably not converted to MDNS. sendmail requires DNS for MX lookups (which can be disabled), but otherwise it can be configured to use different services. See 2.5. The Service Switch in doc/op.* -- Address is valid for this mailing list only, please do not reply to that address, but to the list.

