#define GMIME_ADDRESS_TYPE_BCC GMIME_RECIPIENT_TYPE_BCC
#define g_mime_2_6_unref(obj) g_object_unref (obj)
+#define g_mime_3_unused(arg) arg
#define g_mime_certificate_get_fpr16(cert) g_mime_certificate_get_key_id (cert)
#define g_mime_certificate_get_uid(cert) g_mime_certificate_get_name (cert);
#else /* GMime >= 3.0 */
#define GMIME_CERTIFICATE_TRUST_ULTIMATE GMIME_TRUST_ULTIMATE
#define g_mime_2_6_unref(obj) /*ignore*/
+#define g_mime_3_unused(arg) unused(arg)
#endif
/**