1 - Blocked Senders List and Mail Rules of Outlook Express.
http://support.microsoft.com/support.../Q276/5/11.ASP
2 - Much easier!
From the menu bar select - Tools/Options
Click on the SEND tab.
Make sure the check box is checked for the option - Automatically complete email addresses when composing.
[This message has been edited by Icarus (edited 24 February 2001).]