Jun 25 15:12:23 albatross postfix/smtp[16480]: Untrusted TLS connection established to mail.lastmikoi.net[212.83.147.35]:25: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) Jun 25 15:12:23 albatross postfix/smtp[16480]: 3gz3jG3v0Mz7LjZ: to=<...@lastmikoi.net>, relay=mail.lastmikoi.net[212.83.147.35]:25, delay=2229, delays=2229/0/0.09/0, dsn=4.7.5, status=deferred (Server certificate not trusted)
But why is the server certificate not trusted (and the email being deferred)? smtp_tls_security_level = dane smtp_dns_support_level = dnssec -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein