Here's how you change your settings to allow you to see copies of your own messages:

Send a message to [log in to unmask]

Put this in the body:


(You don't have to have a subject, but using one will help you recognize the response to your command.)

I double checked.  The default is set to generate copies of your messages.  It may be that only those who joined after I changed the default a month or so ago would see the change.

Let me know if your commands are unsuccessful.