yes it's true you to can send mms's to other people by sending a email to whatever their phone number is @ whatever their phone company is .com for example
5555555555@tmomail.net or
5555555555@cingularme.com because each company has a email account so they can receive text messages from email addresses... but the email accounts vary even within the phone company's like... someone with att could have a cingular email address if their a old customer.... or something like
whatever@mycingular.blackberry.net if they have a blackberry ..... and you could do it this way if you like... i would just recommend you ask whomever ur trying to send a mms off too to text you at your email address first so u can find out exactly what their cellphones email address is... but you don't HAVE to do it this way... its very complicated and takes alot of preparation to do it this way.... especially when theirs software that does this for you out there
Theres mms software that you can use on your phone like arcsoft which originally was riped from the xv6700 i believe, anyway heres one that i use which has already been setup for sprint. with this its just like sending off a typical mms with any other phone... just put the phone number your sending it to... thats it
ALSO YOU CAN...NO YOU SHOULD GO TO THAT LINK POSTED DIRECTLY ABOVE MINE BY Darkness231 WHICH ALSO HAS THE FILE... AND ALOT OF OTHER INFORMATION ... especially for noobs...