extern uschar *message_size_limit; /* As it says */
#ifdef EXPERIMENTAL_INTERNATIONAL
extern BOOL message_smtputf8; /* Internationalized mail handling */
+extern int message_utf8_downconvert; /* convert from utf8 */
const extern pcre *regex_UTF8; /* For recognizing SMTPUTF8 settings */
#endif
extern uschar message_subdir[]; /* Subdirectory for messages */