Greetings folks!

I'm trying to get in touch with Firehawke.  He recently sent me some email,
and I've tried to reply, but I keep getting this:

... while talking to bbs.yab.com.:

RCPT To:<firehawke@bbs.yab.com>

<<< 550 User is not allowed to receive internet email.

Anybody know what gives here?  o_O??
--------------------------------------------------------
Bert Van Vliet   SkyKnght@sentex.net
[Alias SkyKnight: Knight-in-Shining Armour, Punster at large, Die-Hard
Bubblegum Crisis Fan, and writer of Really Long Fanfics!]
 "Trust me.  I know what I'm doing!"
 "I'm not suffering from insanity...I'm enjoying every minute of it!"