+#ifndef _MUTT_LIBESMTP_H
+#define _MUTT_LIBESMTP_H
+
+#if defined (USE_LIBESMTP) && (defined (USE_SSL) || defined (USE_GNUTLS))
+int mutt_libesmtp_check_usetls (const char* option, unsigned long p,
+ char* errbuf, size_t errlen);
+#endif
+
+int mutt_libesmtp_invoke (ADDRESS * from, /* the sender */