> On Dec 29, 2017, at 1:54 PM, J Doe <gene...@nativemethods.com> wrote:
>
> I have noticed in the Postfix documentation (man 5 postconf), that the
> smtpd_tls_session_cache_database parameter notes:
>
> “As of Postfix 2.11 the preferred mechanism for session resumption is RFC
> 5077 TLS session tickets...for Postfix >= 2.11 this parameter should
> generally be left empty”
>
> I note that this text is NOT in the smtp_tls_session_cache_database parameter
> notes.
And rightly so, since session tickets enable session resumption with
stateless *servers*. The server state is delegated to the client in
the form of a session ticket. Server caches go away, and client caches
get bigger!
> For Postfix version 2.11 and later, should BOTH
> smtp_tls_session_cache_database and smtpd_tls_session_cache_database be left
> empty to use session tickets, instead, or is that only for the SMTP SERVER ?
Only the server.
--
Viktor.
