S/MIME is built into every desktop MUA and most mobile MUAs. Once you get
the key installed, it's also TOFU and fairly automatic.
The problem here seems to be getting a cert.
Right, hence my note about LE for S/MIME.
Regards,
John Levine, johnl(_at_)taugh(_dot_)com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly
_______________________________________________
ietf-smtp mailing list
ietf-smtp(_at_)ietf(_dot_)org
https://www.ietf.org/mailman/listinfo/ietf-smtp