Could you humor us and install chomp SMS and see if MMS works? If I recall correctly, doesn't Handcent use it's own SERVER in the middle to send MMS? Maybe it's them causing your issue...
Ive used chomp ever since cm10 came out for the RAZR and never had an MMS not go thru...
Have you tried the VZW messaging app? Also, have you tried booting back to stock to see if MMS works there?
Sent from my DROID RAZR using Tapatalk 4
Thanks for the input everyone. I'm on the 8/26 build now & am able to send/receive MMS after manually toggling data on.
I think my issue was actually related to a Tasker profile I have that disables data anytime I am connected to WIFI. I realize that data is necessary to send/receive MMS. However, didn't CM 10.1 (and possibly others) used to have a feature built in that would automatically toggle data on to send/receive a message? I've had this tasker profile since I started using the app & never had this problem on CM 10.1 previously. I'm wondering if this feature was removed or simply hasn't been updated to be compatible with Android 4.3/CM 10.2. My issues with previous builds were likely related to this tasker profile as well, NOT caused by the rom (directly).
On the other hand, if this feature is truly gone now, is there any way to rig tasker to turn on data when SENDING MMS? I've figured out how to do it when I am receiving a message but not when I'm sending one.