I've been trying to convince git send-email to connect to my personal smtp server without success. It keeps complaining that the cert is self-signed. I thought all I had to do was add the cert to /etc/ssl/certs and that should fix it, but it doesn't. Even without doing this, and using -verify_return_error, openssl s_client does not refuse to connect to the server. Why is this and what else do I have to do to convince the system that this self signed cert is OK?