On Thu, Dec 23, 2021 at 12:51:14AM +0100, Leo Unglaub wrote: > Hey friends, > > i have a OpenBSD 7.0 server with all syspatches applied.
By the way, I don't know if this is the same server that handles inbound SMTP for your domain, (mail.unglaub.at), but you have a configuration issue affecting TLS there as well. When I connected over IPv6, opportunistic TLS negociation failed and my last mail to you was downgraded to sending in plaintext. Furthermore your webserver is using a self-signed certificate with an incorrect CN and no SAN.
