Hi folks, there seems to be a compatibility issue between opensmtpd on OpenBSD 6.7 and exim4 on Debian's bugtracker, see
https://lists.debian.org/debian-user/2020/07/msg01091.html Most recent syspatches are applied, of course. I cannot reproduce this problem with opensmtpd 6.7.1-p1 on Debian. How can I tell opensmtpd on OpenBSD to ignore TLS1.3 and to use TLS1.2 only, just for test purposes? TLS1.3 in libressl appears to be brand new. Maybe its buggy. Every helpful hint is highly appreciated Harri