djc@??? (Dave C.) [Thursday, August 08, 2002 8:53 PM]:
> I'm not sure wether its exim, or the IP stack on this machine
> recognizing 0.0.0.0 as 'all interfaces', or, if its the latter, if
> thats portable to other OS-en (I'm on FreeBSD-4/i386)
It is the IP stack (inet_[ap]ton I guess) - same on Linux.
-srs