There are 2 steps in this article section
Log into your account and follow the steps below.
Step 1. Click on the "Verify Now" button.
You should now be on the page where you can verify an email address, as shown below.
Step 2. Enter an email address into email box beside the @ symbol and click Verify.
The result will be displayed underneath and in a handy table which can be downloaded. Read this article for more details How Do I Download My Results?
More details about the results you receive can be found in the article Verification Response Codes.