> If you are concerned, hit this url:
> 
> http://www.orbs.org/report_1.html
> 
> Type in the IP address of your smtp server and see what happens.

I just tested the mailserver I use, smtp.mn.mediaone.net (24.131.1.59)
and it passes ORBS. So what mediaone mailservers are a problem then, out
of interest?