I created a simple PHP script to solve that (Score 1)

I'm a sysadmin. I send lots of passwords to users (on account creation, that is). Got tired of sending them in clear text (since they don't do GPG/PGP), or spelling them on the phone. So I created a simple php application that, under SSL, will encrypt your message on disk and offer it ONLY to the first visit (the message is destroyed on first read). I've been using it since, best bunch of hours spend on code. There: https://onetimepaste.org/