Hi, Yea, I got it. But even with that configuration when I connect to my server, my server is still accepting connections in TLSv1. If I disable TLSv1 in my server,
warning: TLS library problem: 21975:error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol:s23_srvr.c:578: On Wed, Oct 24, 2018 at 4:45 PM Petri Riihikallio < petri.riihikal...@metis.fi> wrote: > > > smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3 > > smtpd_tls_protocols = !SSLv2, !SSLv3 > > > > But that doesn't work. Still the connection is established using TLSv1. > > Those are for smtpd or inbound connections. For outbound to O365 you need > to look at smtp_ settings. > > -- > br, Petri > https://metis.fi/fi/petri > tel:+358400505939 > > > > >
