BOOL on_connect; /* For older MTAs that don't STARTTLS */
uschar *on_connect_ports; /* Ports always tls-on-connect */
uschar *peerdn; /* DN from peer */
-#ifndef USE_GNUTLS
uschar *sni; /* Server Name Indication */
-#endif
} tls_support;
extern tls_support tls_in;
extern tls_support tls_out;