Milter-greylist

Hello,

> > It seems your code try to listen IPv4 1st then try to 
> listen IPv6.  It
> > doesn't work correctly on some environment.  So, you need to try to
> > listen IPv6 before IPv4.  I think trying IPv6 before IPv4 should fix
> > your problem without issuing SO_REUSEPORT.
> 
> manu> Um, it seems I committed too early. Shall I roll back 
> the change?
> 
> How about this patch?  It is against fresh 4.3.2.
> I confirmed that it runs on my FreeBSD box.  However, I don't test if
> it solved the problem.
> 

On my Tru64 UNIX system it looks working but I get
"milter-greylist: cannot start MX sync, bind failed: Address already in
use"
message for every envelop recipient,
practically flooded with that message.
Probably with SO_REUSEPORT that message would go away.

Bests,
Attila