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  2. Locked out of your email? Here's how to change and recover ...

    www.aol.com/news/change-gmail-password-heres...

    Gmail is the largest email service in the world, used by well over a billion people. Accessed through your Google account, Gmail competes with other tech company products within the email service ...

  3. Block and unblock email addresses in AOL Mail

    help.aol.com/articles/block-and-unblock-email...

    Block email addresses. 1. Open an email or select it from your mailbox. 2. Click the More icon. 2. Click Block Senders. 2. Optionally, select to also delete emails you've received from the sender.

  4. Why did I receive an email from MAILER-DAEMON? - AOL Help

    help.aol.com/articles/what-is-a-mailer-daemon...

    If the delivery failure message says the account doesn't exist double check the spelling of the address you entered. A single misplaced letter could cause a delivery failure. If the message keeps getting bounced back, make sure the account is closed or hasn't been moved.

  5. Email authentication - Wikipedia

    en.wikipedia.org/wiki/Email_authentication

    An outstanding rationale for email authentication is the ability to automate email filtering at receiving servers. That way, spoofed messages can be rejected before they arrive to a user's Inbox. While protocols strive to devise ways to reliably block distrusted mail, security indicators can tag unauthenticated messages that still reach the Inbox.

  6. Recognize a hacked AOL Mail account

    help.aol.com/.../recognize-a-hacked-aol-mail-account

    Email filters • Display name • Email signature • Blocked addresses • Mail away message. If your account has been compromised. If you think your account has been compromised, follow the steps listed below to secure it. 1. Change your password immediately. 2. Delete app passwords you don’t recognize. 3. Revert your mail settings if ...

  7. SMTP Authentication - Wikipedia

    en.wikipedia.org/wiki/SMTP_Authentication

    SMTP as specified by Jon Postel in the 1970s did not provide for using passwords for sending email messages; each server was by design an open mail relay.As a result, spam and worms, while not initially a problem, had become a plague by the late '90s. [2]

  8. Google is deleting old Gmail accounts. Here’s how to save ...

    www.aol.com/finance/google-deleting-old-gmail...

    Chances are you have a few accounts floating around yourself — likely from those times you needed an email address to access a free trial for a site or service, and already used your primary email.

  9. Google is deleting Gmail accounts. How to make sure yours ...

    www.aol.com/news/google-deleting-gmail-accounts...

    If you don't use the Gmail account any more but don't want to lose any of the content, you can save the files to your computer using Google Takeout, which allows you to download a copy of all the ...

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