diff -ur elm2.5.1/src/newmbox.c elm2.5.1.new/src/newmbox.c
--- elm2.5.1/src/newmbox.c	Wed Mar 24 15:22:09 1999
+++ elm2.5.1.new/src/newmbox.c	Fri Nov 19 13:54:05 1999
@@ -247,7 +247,8 @@
 	sprintf(tempfn, "%s%s", default_temp, temp_mbox);
         cp = basename(mbox);
 	if (strcmp(cp, "mbox") == 0 || strcmp(cp, "mailbox") == 0 ||
-		strcmp(cp, "inbox") == 0 || *cp == '.')
+		strcmp(cp, "inbox") == 0 || strcmp(cp, "Mailbox") == 0 ||
+		*cp == '.')
 	    strcat(tempfn, user_name);
 	  else
 	    strcat(tempfn, cp);