# TLS server: empty/non-existent certificate file gnutls exim -DSERVER=server -bd -oX PORT_D **** client-gnutls HOSTIPV4 PORT_D aux-fixed/cert2 aux-fixed/cert2 ??? 220 ehlo rhu.barb ??? 250- ??? 250- ??? 250- ??? 250- ??? 250 starttls ??? 220 **** killdaemon exim -DSERVER=server -DCERT=/non/exist -bd -oX PORT_D **** client-gnutls HOSTIPV4 PORT_D aux-fixed/cert2 aux-fixed/cert2 ??? 220 ehlo rhu.barb ??? 250- ??? 250- ??? 250- ??? 250- ??? 250 starttls ??? 454 **** killdaemon