How To Check If An Email Is Valid Without Sending An Email. After the dns lookup, you can validate the email address via smtp connection. If you are using a mac system, you can use the iterm app.
Replace the test email address with your recipient email address. In just one click, no email sent, you can check whether an email address really exists and if it's actually valid. The general answer is that you can not check if an email address exists event if you send an email to it:
Example of a correctly formatted email address but still wrong:
Pinging the server is a technical method to verify email address without sending emails. In just one click, no email sent, you can check whether an email address really exists and if it's actually valid. One way to check if an email address is valid without sending an email is to ping the mail server. You need a tool like putty for telnet in windows system to perform this check.