> > - Troubleshooting > > - Quick and Dirty configuration > > - Client in brief. > > DNS and SMTP agent settings. > tls policy table for exceptions: > - non-dane for emergencies (assuming not an MITM attack). > - dane-only > > - Server in brief. > > Cert chain. > TLSA RR content. > TLSA RR content during key rotation (of EE or TA cert).
Please follow this quick-start guide with a section that shows what one can expect to see when Postfix uses TLSA (logging, headers, other symptoms). This approach has worked well in the FORWARD_README document. Wietse