diff -ur imap-4.5.BETA.orig/src/osdep/unix/env_unix.c imap-4.5.BETA/src/osdep/unix/env_unix.c
--- imap-4.5.BETA.orig/src/osdep/unix/env_unix.c	Tue Oct 27 12:46:05 1998
+++ imap-4.5.BETA/src/osdep/unix/env_unix.c	Mon Nov 16 21:30:57 1998
@@ -595,7 +596,7 @@
 {
   char tmp[MAILTMPLEN];
   if (!sysInbox) {		/* initialize if first time */
-    sprintf (tmp,"%s/%s",MAILSPOOL,myusername ());
+    sprintf (tmp,"%s/Mailbox",myhomedir ());
     sysInbox = cpystr (tmp);	/* system inbox is from mail spool */
   }
   return sysInbox;
#@@ -619,7 +619,7 @@
# 				/* validate name, return its name */
#     if (!mailboxfile (dst,tmp)) return NIL;
#   }
#-  else strcpy (dst,myhomedir());/* no arguments, wants home directory */
#+  else strcpy (dst,myhomedir()), strcat( dst, "/mail" );/* no arguments, wants home directory */
#   return dst;			/* return the name */
# }
# 
#@@ -693,7 +693,7 @@
#     }
#   }
# 				/* build resulting name */
#-  sprintf (dst,"%s/%s",dir,name);
#+  sprintf (dst,"%s/mail/%s",dir,name);
#   return dst;			/* return it */
# }
#