1.   -- You might want to send your complaint letter with a return receipt requested.

2.   If using the Postal Service, send it by certified mail, return receipt requested.

3.   If the recipient decides not to go to the Web site to read the e-mail, you will not get a return receipt.

4.   In addition, he said, every form should be copied and every form that is mailed should be sent certified mail, return receipt requested.

5.   Keep the return receipt.

6.   Rather, send a letter by certified mail, return receipt requested, and keep a copy of that letter and your certified mail slip.

7.   Send the letter by registered mail with a return receipt showing the letter was delivered.

8.   Submitted material will not be returned, and anyone who wants to be sure it arrives should send the tape with a return receipt.

9.   The letter had a return receipt requested.

10.   The recipient of the e-mail will be offered the chance to click on a button that sends a return receipt to you.