Email Checker: Lookup and Check Email With Email Checker
Email lookup also known as Email checker is very fast, free and accurate Email tool which provide live verification process of emails using next steps:
- First, Email lookup resolve host name (SMTP server) to IP address from Email that you are checking and then try to connect to
that SMTP server via port 25.
For example whatever@hotmail.com point to Email SMTP server mx4.hotmail.com with IP address 65.55.37.120. If connection is successful then our Email checker tool start to verify Email using Email Verifier process - Email verifier process is the process of verifying email by sending SMTP HELLO command to other side (SMTP server)
asking to verify email address.
Once SMTP server accept our request and our "question" then he let us know of Mail ID / Recipient is OK or NOT. - Final step of our email lookup process is to let you show answer from SMTP server: "the host states that the address is valid or not."
Once we get answer we disconnect from SMTP server.