diff --git a/nixos/server/package-configs/mail-server/default.nix b/nixos/server/package-configs/mail-server/default.nix
index fd1041d..f34b8ce 100644
--- a/nixos/server/package-configs/mail-server/default.nix
+++ b/nixos/server/package-configs/mail-server/default.nix
@@ -56,27 +56,27 @@
     mailboxes = {
       All = {
         auto = "subscribe";
-        specialUse = "All";
+        specialUse = "\\All";
       };
       Archive = {
         auto = "subscribe";
-        specialUse = "Archive";
+        specialUse = "\\Archive";
       };
       Drafts = {
         auto = "subscribe";
-        specialUse = "Drafts";
+        specialUse = "\\Drafts";
       };
       Junk = {
         auto = "subscribe";
-        specialUse = "\Junk";
+        specialUse = "\\Junk";
       };
       Sent = {
         auto = "subscribe";
-        specialUse = "Sent";
+        specialUse = "\\Sent";
       };
       Trash = {
         auto = "no";
-        specialUse = "Trash";
+        specialUse = "\\Trash";
       };
     };