SBCglobal.net and iPhone

Hi guys, Im having a problem setting up my bosses iPhone with one email account, the sbcglobal.net account. The other standard emails(gmail, .mac, for instance) are all setup fine and working properly, I even had this sbcglobal.net account trained and working, but this was prior to the iPhone 2.0 update. Now I have the sbcglobal.net account up and working in terms of sending and receiving emails, but not in sync with the sbcglobal server (FETCH) I want to have this account behave as A PUSH account, but there is no option to change, I would love to reconfigure this to work properly as a PUSH account and step by step instructions would be greatly appreciated. (there are so many different accounts on the web of what to do, and most are either outdated or a workaround circa the initial iPhone launch)
Thanks in advance..
ps- a link to a confirmed working step by step would be great too...