Re:Let's Encrypt has issued its first million certificates
by _ikke_ on Tuesday March 08, 2016 @01:59PM
(#11247578)
He was comparing the tls equivalent of how SSH works. First time you connect to an ssh server, you have to accept the host key, which most people do not (and in most situations, can not) verify.
Don't do this. If you have to ask your users to add an SSL exception you're doing it very wrong.