Hidemail is a new technology from reCaptcha where in your email id is made hidden and untill and unless you solve a captcha, you are not reveled the email id of the person. Like you see in the case above. If you have to see my complete email ID, then you have to click on the ... and then solve the captcha and then only the email ID will be reveled.
1. Recaptcha official website
2. mailHide technology