Andrei Kovacs:
> Hi,
>
> I've noticed the release of the new SNI feature in Postfix 3.4, but I
> cannot get a successful setup. My last attempt was to
> use tls_server_sni_maps, but I'm not sure about the correct format (I've
> tried encoding the certificate as base64 according to the documentation).
>
> For reference, what I'm trying is to have a main certificate for the mail
> server and another certificate (letsencrypt) for a specific domain.
In addition to "it does not work" perhaps you can share concrete details:
- Output from
postconf -n
- Output from
openssl s_client -servername sni-name-here -starttls smtp -connect host:port
- Postfix logging for that connection.
Wietse