Marco Post your logs showing the errors.
__________ Robert Chalmers https://robert-chalmers.uk aut...@robert-chalmers.uk @R_A_Chalmers On 10 Dec 2018, at 8:25 pm, Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: >> On Dec 10, 2018, at 7:22 AM, Alice Wonder <al...@domblogger.net> wrote: >> >> ssl_min_protocol = TLSv1.2 >> ssl_cipher_list = >> EECDH+CHACHA20:EECDH+AESGCM:EECDH+SHA384:EECDH+SHA256:EECDH:!3DES:!RC4:!ADH:!LOW@STRENGTH >> ssl_prefer_server_ciphers = yes > > The cipherlist syntax is wrong, you're missing a ":" between "!LOW" and > "@STRENGTH". > My advice is that non-experts should not be asked or attempt to configure > explicit > TLS cipherlists. Let the defaults stand, and use software that comes with > sensible > defaults, upgrading periodically to keep the default configuration current. > > -- > Viktor. >