----- Original Message ----- 
From: "Mike Loiterman" <mike at ascendency dot net>
> I have tried adding hostname.domainname.net, pointed to 192.168.1.22, but
> that fails as well.  It seems like I need to add
> pop3.hostname.domainname.net and smtp.hostname.domainname.net, which is 
> how
> my mail clients are configured, but m0n0wall won't let me do that.

As the webinterface hints by not having 'Host' a boldface/required field, 
leave host empty and write 'smtp.hostname.domainname.net' in the domain 
field. After this, querying correctly returns

Name:    smtp.hostname.domainname.net
Address:  1.2.3.4

/Kasper Pedersen