port submission issues - sendmail setup

[R Skinner]

This has been a real fiasco to send one around the bend.

I'm trying to quickly submit a port and I used the send-pr this time and 
attached my shar as opposed to using the web form, except my sendmail is 
being rejected because it is a firewalled host and can't be found.

So I spent several hours trying to get my head around sendmail and the 
security involved and setup the 'smart host' option. Eventually this 
worked, and sent to my mail gateway which is postfix.

I then checked the pr list - still not there. So I checked the mailq on 
the gateway and it still says its looking for the firewalled host! Arrrgh!

I'm not up to speed on sendmail at all, so can someone tell what potion 
I've got to pour into this thing so the send-pr will work correctly 
without opening any security flaws or access outside of 127.0.0.1?

Cheers
(Please cc - thx)