On 10/04/2019 01:25, Viktor Dukhovni wrote: > In Postfix, we implement the new session callbacks and then don't > care when the tickets arrive. Whenever they do arrive the callback > happens, and the client session cache is updated at that point. > > https://github.com/vdukhovni/postfix/blob/master/postfix/src/tls/tls_client.c#L531-L556 > https://www.openssl.org/docs/manmaster/man3/SSL_CTX_sess_set_new_cb.html documents SSL_CTX_sess_set_new_cb as being for "server side". You seem to be using it client-side: SSL_CTX_sess_set_new_cb(client_ctx, new_client_session_cb); Is this valid? -- Cheers, Jeremy