Outgoing SMS not being received.
 

Hi guys, I'm new to this and I've had my N900 for about 4 months now.
Recently, a lot of my messages sent to my friend have not been received by them. This is only a recent problem, as it has been working fine up until a few weeks ago. I'm thinking fMMS might have something to do with it. I've uninstalled fMMS but the problem is still there. Any help fixing this problem would be awesome =)