One neat phpBB feature is that users can communicate privately with each other outside the public board area, through private messages (PM). (PM is also used as a verb, as in "Please PM me".) PMs work very similarly to the normal email we’re all used to. The interface for writing a PM is the same as for writing a posting, except there is a field for the recipient’s username at the top. Also, you can look up a username if you’re not sure about the spelling.
There are the following private message boxes:
Inbox: Stores all incoming messages, just like in a normal email mailbox.
Sentbox: Contains all messages that you’ve sent to other members.
Outbox: Temporarily contains those messages that you’ve sent but which have not yet been read by the recipient. You can edit or delete messages in the outbox. As soon as the recipient reads the message, the sender can no longer amend it. At this point the message is final. Sometimes it can so happen that a user...