Hi, > >> smtpd_tls_session_cache_database > > > > This is defined to the default for all instances: > > smtpd_tls_session_cache_database = > > btree:/var/lib/postfix/smtpd_tls_session_cache > > That's wrong. The session cache needs to be: > > smtpd_tls_session_cache_database = > ${data_directory}/smtpd_tls_session_cache > > with (enforced by postmulti) distict values of `data_directory` > for each instance. Only the default instance gets to scribble > in "/var/lib/postfix".
Ah yes, of course. Thank you.