My PM's are stuck in the outbox...

When I compose, or reply to a PM they're not getting sent, they sit in my outbox. Only a recent problem. Is it me? or is there something up?

PM's will stay in your outbox until the person you sent them to has read them. Then they automatically move to your "Sent" box. So if you sent a message to someone a while back and it is still in your outbox, then they have either chosen to ignore it, or they haven't checked their inbox recently. - Stuart -

Gotcha, cheers.