$NetBSD: patch-am,v 1.7 1999/02/10 15:13:38 frueauf Exp $

--- imap/src/osdep/unix/env_unix.c.sma	Sun Jan 31 02:25:32 1999
+++ imap/src/osdep/unix/env_unix.c	Sun Jan 31 02:27:14 1999
@@ -547,6 +547,13 @@
 char *sysinbox ()
 {
   char tmp[MAILTMPLEN];
+  char *t;
+
+  if (!sysInbox) {
+    t = getenv("MAIL");
+    if (t != NULL)
+      sysInbox = cpystr(t);
+  }
   if (!sysInbox) {		/* initialize if first time */
     sprintf (tmp,"%s/%s",MAILSPOOL,myusername ());
     sysInbox = cpystr (tmp);	/* system inbox is from mail spool */