HTC Excalibur T-mobile mms message setup issue (yes I already searched)

[disco.sleeze]

I have an unlocked HTC Excalibur/Dash that I am using on the T-Mobile USA network. It came pre-installed with Windows Mobile 6.1.

I cannot send or recieve MMS messages. Everytime I try I get an "Error synchronizing" message. I have followed instructions in an older thread for inputing GPRS and MMSC settings, but I still am having the same error.

Any help you can offer outside of telling me to search will be greatly appreciated.

[disco.sleeze]

I appologize if bumping isn't kosher here, but threads seem to get buried quickly.

Can anyone point me to a solution for this?

[m0gliE]

Having same issue, tried many settings under the mms, it might be roaming network setting issues. I haven't tried this yet, but I'm thinking that because I'm in roaming, I am unable to get any MMS.