--- dovecot-1.0.rc28/src/imap/cmd-list.c.orig	2007-08-07 09:27:16.000000000 -0400
+++ dovecot-1.0.rc28/src/imap/cmd-list.c	2007-08-07 09:24:59.000000000 -0400
@@ -7,6 +7,7 @@
 #include "imap-match.h"
 #include "commands.h"
 #include "namespace.h"
+#include <unistd.h>
 
 enum {
 	_MAILBOX_LIST_HIDE_CHILDREN	= 0x1000000,
@@ -326,6 +327,10 @@
 			string_t *str = t_str_new(128);
 
 			flags = MAILBOX_PLACEHOLDER;
+			bool is_file;
+			char *p = mail_storage_get_mailbox_path(
+				ns->storage, "INBOX", &is_file);
+			if (access(p,F_OK) || !access(p,R_OK)) {
 			str_printfa(str, "* LIST (%s) \"%s\" ",
 				    mailbox_flags2str(flags, ctx->list_flags),
 				    ns->sep_str);
@@ -333,6 +338,7 @@
 				t_strndup(ns->prefix, len-1) : ns->prefix,
 				FALSE);
 			client_send_line(client, str_c(str));
+			}
 		}
 	}
 
--- dovecot-1.0.rc28/src/lib-storage/index/maildir/maildir-list.c.orig	2007-08-07 09:27:32.000000000 -0400
+++ dovecot-1.0.rc28/src/lib-storage/index/maildir/maildir-list.c	2007-08-07 09:25:26.000000000 -0400
@@ -62,7 +62,10 @@
 
 	dirp = opendir(ctx->dir);
 	if (dirp == NULL) {
-		if (errno != ENOENT) {
+		if (errno == EACCES) {
+	    		ctx->mailbox_ctx.flags |= MAILBOX_HIDEYHACK;
+			return FALSE;
+		} else if (errno != ENOENT) {
 			mail_storage_set_critical(ctx->mailbox_ctx.storage,
 				"opendir(%s) failed: %m", ctx->dir);
 			return FALSE;
@@ -309,6 +312,7 @@
 	    (ctx->mailbox_ctx.flags & MAILBOX_LIST_FAST_FLAGS) == 0) {
 		bool update_only = (flags & MAILBOX_LIST_SUBSCRIBED) != 0;
 		if (!maildir_fill_readdir(ctx, glob, update_only)) {
+			if (!(ctx->mailbox_ctx.flags & MAILBOX_HIDEYHACK))
 			ctx->mailbox_ctx.failed = TRUE;
 			return &ctx->mailbox_ctx;
 		}
--- dovecot-1.0.rc28/src/lib-storage/index/maildir/maildir-storage.c.orig	2007-08-07 09:27:44.000000000 -0400
+++ dovecot-1.0.rc28/src/lib-storage/index/maildir/maildir-storage.c	2007-08-07 09:25:44.000000000 -0400
@@ -461,6 +461,10 @@
 	path = istorage->inbox_path != NULL ?
 		istorage->inbox_path : istorage->dir;
 
+	if (!access(path,F_OK) && access(path,R_OK)) {
+		i_error("Permissions on %s?",path);
+		return 0;
+	}
 	if (create_maildir(istorage, path, TRUE) < 0)
 		return -1;
 
--- dovecot-1.0.rc28/src/lib-storage/mail-storage.h.orig	2007-08-07 09:28:00.000000000 -0400
+++ dovecot-1.0.rc28/src/lib-storage/mail-storage.h	2007-08-07 09:26:19.000000000 -0400
@@ -78,7 +78,9 @@
 	MAILBOX_MARKED		= 0x040,
 	MAILBOX_UNMARKED	= 0x080,
 
-	MAILBOX_READONLY	= 0x100
+	MAILBOX_READONLY	= 0x100,
+	/* FIXME: Kludge for namespaces without permission */
+	MAILBOX_HIDEYHACK	= 0x200
 };
 
 enum mailbox_status_items {