No MMS Server

[SephirothWGP]

I lost my MMS after I did the DCD 2.1 ROM, honestly it could have been when I did the 2.0, but I didn't notice it until now. I think I've narrowed it down to the problem. I have no MMS server listed in my settings, and it won't let me add one, nor do I know what to put anyway. Could anyone tell me how I am supposed to add it, and what to put in there. It shows MMS in me Outlook but I get random symbols and can't download the message.