They do not have Pear installed on the servers.
They sent me to this link: sending-mail-using-php.aspx?KBSearchID=262495
and said to provide the authentication outside of the standard script. They said that the sendmail_from section is going to be the user. Then you can add another line such as that is there in the ini_set, but that I would need to ask the developer of the form software to explain how to add it to the form.
This is way over my head.. I cannot move the hosting on this account, there are way too many issues involved with that. I have to make this work or this software is pointless to me because many of my sites are on this same hosting service.