--- src/osdep/unix/env_unix.c.old	2007-06-24 16:37:29.000000000 +0100
+++ src/osdep/unix/env_unix.c	2007-06-24 16:37:52.000000000 +0100
@@ -68,7 +68,7 @@
 static char *myServerName = NIL;/* server name */
 static char *myLocalHost = NIL;	/* local host name */
 static char *myNewsrc = NIL;	/* newsrc file name */
-static char *mailsubdir = NIL;	/* mailbox subdirectory name */
+static char *mailsubdir = ".imap";	/* mailbox subdirectory name */
 static char *sysInbox = NIL;	/* system inbox name */
 static char *newsActive = NIL;	/* news active file */
 static char *newsSpool = NIL;	/* news spool */

.