I got the settings from du UAE MMS settings, took me a long time, works in every android sets, desired,legend,nexus 1 or s,etc
go to settings, wireless and networks, mobile networks and then access point names

name=du
apn=du
proxy=10.19.18.4
port=8080
user name =not set
password=not set
server=not set
mmsc=http://mms.du.ae
mms proxy=10.19.18.4
mms port=8080
mcc=424
mnc=03
authentication type=none
apn type=not set
if you have less options or you dont see some of this settings,then apply not set

turn off phone, wait for 20 seconds, retart again.
and vuala. if its working please reply to me on paulosilva8200@gmail.com
thanks