When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. WHOIS - Wikipedia

   en.wikipedia.org/wiki/WHOIS

   WHOIS client and server software is distributed as free open-source software and binary distributions are included with all Unix-like systems. Various commercial Unix implementations may use a proprietary implementation (for example, Solaris 7). A WHOIS command line client passes a phrase given as an argument directly to the WHOIS server.

3. Reverse DNS lookup - Wikipedia

   en.wikipedia.org/wiki/Reverse_DNS_lookup

   Some anti-spam filters assume that email that originates from such addresses is likely to be spam, and may refuse connection. [6] [7] A forward-confirmed reverse DNS (FCrDNS) verification can create a form of authentication showing a valid relationship between the owner of a domain name and the owner of the server that has been given an IP address.

4. 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.

5. 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.

6. 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.

7. 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.