diff --git a/sys/mail.h b/sys/mail.h
new file mode 100644
index 0000000..9db1ccc
--- /dev/null
+++ b/sys/mail.h
@@ -0,0 +1,43 @@
+// MorgenGrauen MUDlib
+//
+// mail.h -- Definitionen fuer die Post
+//
+// $Id: mail.h,v 3.4 2000/01/20 15:13:25 Tiamak Exp $
+
+#ifndef _MAIL_
+#define _MAIL_
+/*
+ *------------------------------------------------------------
+ * Definitions of fields used in mail messages
+ *------------------------------------------------------------
+ *
+ *	A message is represented as an array with the following fields:
+ */
+#define MSG_FROM 0
+#define MSG_SENDER 1
+#define MSG_RECIPIENT 2
+#define MSG_CC 3
+#define MSG_BCC 4
+#define MSG_SUBJECT 5
+#define MSG_DATE 6
+#define MSG_ID 7
+#define MSG_BODY 8
+
+#define NO_USER_ALIASES    1
+#define NO_SYSTEM_ALIASES  2
+#define NO_CARBON_COPIES   4
+
+#include "/mail/post.h"
+
+/*
+ *	DeliverMail(mixed *message)
+ *	  Hand a mail message over to the mailer demon. The mailer
+ *	  demon extracts recipients from the recipient, cc and bcc
+ *	  fields and removes the bcc information. It then deposits
+ *	  the message to the mail files of all recipients. A valid
+ *	  message is shown above.
+ *
+ *	int FingerMail(string user)
+ *	  Gives the number of unread messages a user has.
+ */
+#endif