How to Use Email Lookup for Accurate Email Address Verification?
It's easy and free with our tool. Email lookup, also called a checker or verifier, is a fast and accurate free online IP tool. It checks email existence through multi-stage verification and also examines the SMTP server's IP, identifying its location. For deeper analysis, use our Email Tracker to trace the sender's IP address through email headers and advanced verification.
The check-in process is completed through the following steps:
- Connection to the SMTP server of the requested email address is established via port 25. It is the standard Simple Mail Transfer Protocol (SMTP) port for sending and receiving emails. For example, the SMTP server for the email address [email protected] is hotmail-com.olc.protection.outlook.com, which resolves to the SMTP server IP address 52.101.9.1 located in Washington (USA).
- If the connection is successful, our email tool will verify the email. It does so by sending an SMTP HELLO command to the server, requesting it to verify the email address.
- Once the SMTP server accepts our request and processes our query, it informs us whether the E-Mail ID/Recipient is valid or not.
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The final step of validation is to show the SMTP server's result.
It will confirm whether the email address is valid, with three possible outcomes:
- SMTP server states that the email address is valid.
- SMTP server states that the email address is not valid.
- It was not possible to determine if it is valid deliverable e-mail box address. - Once we get answer we disconnect from SMTP server.
- Then, based on the IP obtained from the SMTP server of the verified email, you can easily track its location using our IP lookup tool.