#define DT_MAGIC 8 /* mailbox type */
#define DT_SYN 9 /* synonym for another variable */
#define DT_ADDR 10 /* e-mail address */
-#define DT_USER 11 /* user defined via $user_ */
-#define DT_SYS 12 /* pre-defined via $madmutt_ */
+#define DT_SYS 11 /* pre-defined via $madmutt_ */
#define DTYPE(x) ((x) & DT_MASK)