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  2. Postal address verification - Wikipedia

    en.wikipedia.org/wiki/Postal_address_verification

    Before an address can be certified as deliverable (CASS-certified), it must first be standardized. Standardization converts an address into a standard format by correcting the address, if possible, and adding missing information, such as a ZIP code, to produce a complete address containing a street address, city, state, and ZIP code.

  3. National Change of Address - Wikipedia

    en.wikipedia.org/wiki/National_Change_of_Address

    It is a postal address verification system maintained by the United States Postal Service, and access to it is licensed to service providers and made available to mailers. [2] There are six licenses available including Full Service Providers (48 months) and Limited Service Providers (18 months).

  4. Use AOL Certified Mail to confirm legitimate AOL emails

    help.aol.com/articles/what-is-aol-certified-mail

    When you open the email, you'll also see the Certified Mail banner above the message details. When you get a message that seems to be from AOL, but it doesn't have those 2 indicators, and it isn't alternatively marked as AOL Official Mail, it might be a fake email. Make sure you mark it as spam and don't click on any links in the email.

  5. Registered mail - Wikipedia

    en.wikipedia.org/wiki/Registered_mail

    The registration of letters as known today was introduced in 1841 in Great Britain. The letter had to be enclosed within a large sheet of green paper. The green sheet was addressed to the Post Office where the recipient lived. The green sheet was then used as a receipt and was returned to the office of origin after delivery.

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Coding Accuracy Support System - Wikipedia

    en.wikipedia.org/wiki/Coding_Accuracy_Support_System

    The Coding Accuracy Support System (CASS) enables the United States Postal Service (USPS) to evaluate the accuracy of software that corrects and matches street addresses.CASS certification is offered to all mailers, service bureaus, and software vendors that would like the USPS to evaluate the quality of their address-matching software and improve the accuracy of their ZIP+4, carrier route ...

  8. Email sender verification notice - AOL Help

    help.aol.com/articles/email-sender-verification...

    Email sender verification notice As part of AOL's commitment to user safety, an alert message will appear if the third-party mail client you're using adds a message to your inbox, or if we believe your account may have been compromised.

  9. Callback verification - Wikipedia

    en.wikipedia.org/wiki/Callback_verification

    Callback verification, also known as callout verification or Sender Address Verification, is a technique used by SMTP software in order to validate e-mail addresses. The most common target of verification is the sender address from the message envelope (the address specified during the SMTP dialogue as " MAIL FROM ").