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  2. Email authentication - Wikipedia

    en.wikipedia.org/wiki/Email_authentication

    Email authentication, or validation, is a collection of techniques aimed at providing verifiable information about the origin of email messages by validating the domain ownership of any message transfer agents (MTA) who participated in transferring and possibly modifying a message. The original base of Internet email, Simple Mail Transfer ...

  3. Verifications.io - Wikipedia

    en.wikipedia.org/wiki/Verifications.io

    Verifications.io is a defunct email-focused technology firm whose primary practice was to validate email addresses for email marketing platforms. The company's platform allowed for email marketing firms to submit lists to the company, which would verify the lists for valid email addresses. The verifications.io data leak was reported by several ...

  4. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  5. Code signing - Wikipedia

    en.wikipedia.org/wiki/Code_signing

    Code signing is the process of digitally signing executables and scripts to confirm the software author and guarantee that the code has not been altered or corrupted since it was signed. The process employs the use of a cryptographic hash to validate authenticity and integrity. [ 1] Code signing was invented in 1995 by Michael Doyle, as part of ...

  6. Checksum - Wikipedia

    en.wikipedia.org/wiki/Checksum

    The idea of fuzzy checksum was developed for detection of email spam by building up cooperative databases from multiple ISPs of email suspected to be spam. The content of such spam may often vary in its details, which would render normal checksumming ineffective.

  7. Use AOL Official Mail to confirm legitimate AOL emails

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

    Use AOL Official Mail to confirm legitimate AOL emails - AOL Help. Call live aol support at. 1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more.

  8. 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.

  9. 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. If you've confirmed the message is safe, we recommend you review your connected devices, confirm or delete ...