Similar to web hosting sites, email hosting services use several layers of security to protect the integrity of your email communications. These include end-to-end encryption, which obscures your data when its sent or received; two-factor authentication (2FA) or multifactor authentication (MFA), which means whoever accesses your email account must know certain information or have access to certain things, such as a mobile device or email address, to get into the account; and Pretty Good Privacy (PGP) encryption