On Wed, Nov 07, 2018 at 11:21:44AM +0100, BERTRAND Joël wrote: > Nov 7 09:17:31 rayleigh sm-mta[10148]: ruleset=try_tls, > arg1=smtp-in.orange.fr, relay=smtp-in.orange.fr, reject=550 5.7.1 > <x...@orange.fr>... do not try TLS with smtp-in.orange.fr [80.12.242.9] > Nov 7 09:17:31 rayleigh sm-mta[10148]: wA68PQwK006059: to=<x...@orange.fr>, > delay=23:52:05, xdelay=00:00:01, mailer=esmtp, pri=77460547, > relay=smtp-in.orange.fr. [80.12.242.9], dsn=5.0.0, stat=Service unavailable
That server only seems to support TLS 1.0. Have you read: /usr/share/doc/libssl1.1/NEWS.Debian.gz Anyway, I suggest you file a bug against sendmail to override the defaults. Kurt
