Then type in your password. Before sending mail or news messages, you must specify a return address in the Mail and News Preferences. See Problem 2 4. Everyone gets this at some point and it's nothing to worry about. If it's a chronic problem check for conflicting TSR's and other software and run a Scandisk.
Mail works fine.
Retype the password and be sure to use proper upper and lower cases. You get kicked off the Internet. Call Waiting on your phone line. If you are long distance, you must have 1417 in the number. You need to close these programs and, if you wish, take them off the startup group.