Return receipt - Wikipedia
https://en.wikipedia.org/wiki/Return_receiptMDNs provide a notification of the "disposition" of a message - indicating, for example, whether it is read by a recipient, discarded before being read, etc. However, for privacy reasons, and also for backward compatibility, requests for MDNs are entirely advisory in nature - i.e. recipients are free to ignore such requests. The format and usage MDNs are specified in RFC 3798. A description of how multiple Mail User Agents (MUAs) should handle the generation of MDNs in …
Domestic Return Receipt - USPS
about.usps.com › publications › pub370A Return Receipt provides evidence of delivery (to whom it was delivered and the date of delivery). You also receive the delivery address, if it’s different from the address on the mailpiece. You may choose to receive the Return Receipt electronically (a copy of the signature) or by mail (with an original signature).
Stamps.com - USPS Return Receipt, Electronic Return Receipt
www.stamps.com › usps › return-receiptOnce purchased, the USPS will return either a physical return receipt or an electronic receipt including the recipient’s signature once the mailpiece has been delivered. In the event that you need to prove that a particular mailpiece has been delivered, you can use the receipt to help prove when your mailpiece reached its destination. To use Return Receipt, the USPS requires a special form which can be obtained at the Post Office™ or from the Stamps.com store.
Certified Mail Return Receipt Requested
www.certified-mail-envelopes.com › certified-mail-returnJul 13, 2011 · A Certified Mail Return Receipt letter is a First Class letter that provides evidence or proof of mailing as well as evidence or proof the Certified Mail letter was delivered. Each letter contains a unique Certified Mail article number that is 21 digits long and the number is express as a bar code on the outside of the letter beginning with a ’94, 70 or ’71′ article number.