Originally Posted by Eragon
I believe you can only Push one email account. The other accounts have to be fetched. I have an Exchange account set up as well which provides near real time pushing services.
That's not right - I can push both my Exchange and MobileMe.
Now as for the OP, bear in mind, not all email services support push. The ones you have as fetch are probably IMAP or POP3 services that don't push.