[imp] Imp GIT sending to myself displays userid at missing_domain

[John H. Bennett III]

Hello all,

I've set up a test server that is running a GIT version of horde.  I  
just did a pull today, so I'm up to date.

The issue I am seeing is that when I send an email to myself, it is  
received as userid at missing_domain.

For example, I'm logged in as admin, and am trying to send an email to  
admin, and the from says To:admin at missing_domain.  It's the same for  
any user.  This works fine on my production server running horde  
5.2.8, imp 6.2.11, and as far as I can remember, has always worked.

I have a default identity set and , I've compared horde/conf.php,  
imp/conf.php and backends.local.php settings against my production  
server, and things match where they should except for any new settings  
in the GIT version, and the different maildomain parameters in  
imp/backends.local.php

If I send to admin at domain.com, then it does display correctly.

Has something changed that I need to configure something else, or have  
I just completely missed something?  Probably the latter.

Any clues are appreciated.

Thank you,

John