Orange MMS Stopped working

[dayloon]

Has anyone here got problems with sending MMS's on Orange (UK)? It's been working for months and suddenly last friday it stopped working and hasn't since. I've tried resetting the network settings and putting them all back in again, no joy. It's bizarre. These are my settings :

APN: orangemms
Username: Orange
Password: Multimedia
MMSC: http://mms.orange.co.uk/
MMS Proxy: 192.168.224.10:8080
MMS Max Message Size: <blank>
MMS UA Prof URL: <blank>

[Oddball]

All your settings look correct, you might need to delete the network settings and re-apply them.