extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */
extern int check_spool_inodes; /* Minimum for message acceptance */
extern int check_spool_space; /* Minimum for message acceptance */
+extern uschar *client_authenticator; /* Authenticator name used for smtp delivery */
+extern uschar *client_authenticated_id; /* "login" name used for SMTP AUTH */
+extern uschar *client_authenticated_sender; /* AUTH option to SMTP MAIL FROM (not yet used) */
extern int clmacro_count; /* Number of command line macros */
extern uschar *clmacros[]; /* Copy of them, for re-exec */
extern int connection_max_messages;/* Max down one SMTP connection */