+
+
+extern int smtp_auth(uschar *, unsigned, address_item *, host_item *,
+ smtp_transport_options_block *, BOOL,
+ smtp_inblock *, smtp_outblock *);
+extern BOOL smtp_mail_auth_str(uschar *, unsigned,
+ address_item *, smtp_transport_options_block *);
+
+#ifdef SUPPORT_SOCKS
+extern int socks_sock_connect(host_item *, int, int, uschar *,
+ transport_instance *, int);
+#endif
+