Originally Posted by frog

With phpBB (the old forum software), you could tell by checking if the message you'd sent was still in your outbox. If in outbox, it's not been read yet, if no longer there, it's been read.
Don't know if it's the same with vBulletin.

Originally Posted by A J

You're supposed to be able to tell the status of the message by the following icons................

Unread Message
Read Message
Replied-to Message
Forwarded Message

However, they don't seem to work