Please change the DNS lookup = defaultdomain process, and use defaultdomain as the default domain.

[Dan White]

josh at endries.org wrote:
> Argh, vent time. I don't know if this is fixed in later versions, I  
> really really hope so, but this machine has 2.2 on it. This problem is  
> a huge PITA. I've ran into it before and stumbled across a random  
> (trial-and-error) workaround each time, though I don't remember what  
> they were...I don't change these things very often. The problem, which  
> I believe is a ridiculous bug, has to do with the combination of DNS  
> lookups, defaultdomain and virtdomains. I don't really know if  
> virtdomains is involved, but since I run with them enabled I'll  
> mention it.
>
>   

See:

doc/install-virtdomains.html

within the source tarball for documentation on this (the man page is a 
little lacking).

setting virtdomains to 'userid', and removing the default domain may do 
what you want.

- Dan