>> 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.
Hi Viktor, Thank you for your prompt reply. Ok, that makes sense - especially the part about the caches going away and delegating the storage to the client. - J
