Milter-greylist

> > Maybe "matchhostfrom", as it would basically check whether the
> > sender host (its domain name really) matches the from address
> > (again, the domain, after the @).
> 
> The idea is good, but the name sucks :-)

I know, but I couldn't think of a better one. Hm, maybe "domaincheck",
or "matchdomain", or just "yao" - for "yet another option" :)

Choose any you like, and leave it to the man page to explain it
in a more verbose manner, I guess.

mp.