> > 
> > 
> >   So my email address would be something like this:
> > 
> >   fredfl2@210.217.124.187 ?
> 
> It would need to be @[210.217.124.187] . The []'s make sendmail treat the
> text as an ip address & not do a lookup on it. At least that's what my
> latest look at sendmail.cf showed. :-)
> 
> Take care,
> 
> Bill

  That seems to work with the []. (So the answer was right under
my nose in sendmail.cf) It didn't work without them. 
Thanks for your help everyone.  

		Guy

> 
>