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This is a system level setting. Most, if not all systems that offer TLS do not offer a user option to opt out. Google is one of them. An email user with a certain level of sophistication can use PKI certificate based encryption. Both the sender and receiver would need an app or plug-in, and they would need to publish a public key so that other folks could read their emails. Google also offers S/MIME enhanced encryption, which is also end to end. Cary what On Thu, May 18, 2023 at 2:26 PM charles meyer <[log in to unmask]> wrote: > My esteend listmates, > > A patron asked how one "enables" TLS to encrypt their emails? > > I'm not a security expert so I just Googled it and found info (below) > > Difference between TLS and E2EE > > For example, with end-to-end encryption, a plaintext message that you sent > gets encrypted at your end and gets decrypted only after reaching the > recipient's device. However, *in TLS, a plaintext message gets encrypted at > your end and decrypted at the server*.Jul 14, 2019 > > > https://en.wikipedia.org/wiki/Transport_Layer_Security > > > Does a user have to enable TLS? If so, how complicated is that? > > > Is there better encryption than TLS? > > > If so, would that other encryption software need to be enabled? > > > Thank you. > > > Charles. > > > Charles Meyer > > Charlotte County Public Library > -- Cary Gordon The Cherry Hill Company http://chillco.com