Do not click on any links in emails telling you to “Re-Validate Your Email” (or similar wording). It is a phishing scam (fraud) being sent by cybercriminals to get you to visit their website that purports to belong to your email provider where you will be asked to provide your email account credentials, such as your user email address and email password, in order to “login” to your account. You won’t be able to login-in to your account from the fraudulent website but the moment you attempt to the criminals will get your credentials enabling them to hijack your email account.
If you have been tricked into providing your email account credentials, change your password immediately and contact your email provider for assistance in securing your email account.
Learn more about phishing at https://www.phishing.org/what-is-phishing