To check whether any web page (or email server) is secure or not, log on to the page (or email server) and look for the "padlock" or "https" in your browser's URL web address box. The following services provide secure web-based email for those who already have access to the Internet:
Another way of securing your web-based email is to log on using a Virtual Private Network (VPN). These services also secure your Internet surfing too. Check out the following services:
You can also access your POP3 email account (normally accessed with client-based email software) using a secure link from your web browser. It works just like secure web-based email.
Email SecurityA helpful guide from Cloudwards to keeping your inbox safe.