Found these settings for the Nexus at the site linked below ...
Originally Posted by russ5811
MMSC: leave blank
MMS Proxy: disable
I hope this is what you need. Good luck. (BTW "Gogole" was their spelling.)
A Motorola Droid X2 on Budget Mobile & a Motorola Admiral
on RingPlus -- both rooted but running stock Android 2.3.5.