Email that only your recipient can read—sounds like a great idea for sensitive messages, right? Especially if you could have that within Gmail. Technically, you can. Google does offer full end-to-end ...

Transport Layer Security (TLS) is an Internet Engineering Task Force (IETF) standard protocol that provides authentication, privacy and data integrity between two communicating computer applications.

Update January 03, 10:23 EST: Shadowserver has suspended the IMAP and POP3 TLS reports because of potential false positives. Over three million POP3 and IMAP mail servers without TLS encryption are ...