PinPal Invite Code Generation Email

Hi

I am wondering what format and what email (ie: hotmail or gmail) do I use to generate invite codes with Pinpal?

Thanks Guys

heres the messages i get when i input my hotmail

[9:07 AM] Invite Code Generator Completed
[9:07 AM] Out Of Email Accounts, Ending Thread
[9:07 AM] Invite Email Not Found, Skipping Account: ***********@hotmail.com
[9:07 AM] Invite Code Generator Completed
[9:07 AM] Out Of Email Accounts, Ending Thread
[9:07 AM] Email Account: ********* Not Supported For This Application