Thanks Viktor, That's good to know. Where can I find this walkthrough?
Chris On Aug 7, 2021, 17:25, at 17:25, Viktor Dukhovni <postfix-us...@dukhovni.org> wrote: >On Sat, Aug 07, 2021 at 11:10:39AM +0100, Chris Bamford wrote: > >> I would like to know how Postfix handles client certificates for >delivery >> i.e. when it makes a remote connection to deliver email. >> >> Is it possible to control the certificate that is used per domain? > >Wietse posted a detailed walk through for per *sender* domain client >certs. The short answer is that: > > * Client certificates are per-transport. Multiple TLS client certs > require multiple smtp/unix transports. > > * You can choose the transport by destination domain, and/or partition > the choice of default transport by sender domain. > >-- > VIktor.
