I'm running Panther 10.3.9 and can't do this.
Perhaps you have a third party app going?
When you say mouse-click is that a single-click (left-click)?
Do you mean the Address panel (not AddressBook.app)? A whole different
animal. I see buttons for "To" and "CC" but not "BCC".
***After a littl
Harry:
I would like to see Mail and the address book work exactly the same
way it worked in Panther.
Yes, in Tiger I can start typing the recipients name in the bcc
panel. And yes the name will be completed. That's fine.
I can also drag and drop a name from my address book into the bcc