FormMail, CommuniGate Pro, SendMail

[squid]

Hi all:

I have a page with a form set up. Server is Mac OS Server 10.3.8

I'm trying to use FormMail, my email server is Stalker CommuniGate Pro.

In the FormMail.cgi script, $mailprog is set to Stalkers sendmail.

I get confirmation that sendmail was called correctly, but the email never arrives.

I have set $referrer correctly to our domain.

Is there any other configuration I need to make to get this working. Has anyone else used this combination?