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  2. 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").

  3. 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.

  4. 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.

  5. Use AOL Official Mail to confirm legitimate AOL emails

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

    If you get a message that seems like it's from AOL, but it doesn't have those 2 indicators, and it isn't alternatively marked as AOL Certified Mail, it might be a fake email. Make sure you immediately mark it as spam and don't click on any links in the email.

  6. Help:Email confirmation - Wikipedia

    en.wikipedia.org/wiki/Help:Email_confirmation

    Click the button in that section; an email will be sent to your email address with a confirmation link. If you see no link, go to Special:ConfirmEmail. If that page starts with "Your email address was confirmed on <date>", then you're already confirmed. When you receive the email, click the link it contains to confirm that you own the email ...

  7. Email authentication - Wikipedia

    en.wikipedia.org/wiki/Email_authentication

    SPF authenticates the sender IP address. SPF allows the receiver to check that an email claimed to have come from a specific domain comes from an IP address authorized by that domain's administrators. Usually, a domain administrator will authorize the IP addresses used by their own outbound MTAs, including any proxy or smarthost. [7] [8]

  8. Here's how to spot a scam online - AOL

    www.aol.com/lifestyle/protect-yourself-email...

    Brooks adds: "The bottom line is do not click on links you do not recognize and always check the address of the email sender. Be vigilant." Try Malwarebytes Premium for 30 days free*

  9. Email address - Wikipedia

    en.wikipedia.org/wiki/Email_address

    The format of an email address is local-part@domain, where the local-part may be up to 64 octets long and the domain may have a maximum of 255 octets. [5] The formal definitions are in RFC 5322 (sections 3.2.3 and 3.4.1) and RFC 5321—with a more readable form given in the informational RFC 3696 (written by J. Klensin, the author of RFC 5321) and the associated errata.