diff --git a/hosts/falkenstein-1/modules/mail/default.nix b/hosts/falkenstein-1/modules/mail/default.nix
index 823dbad..14bcdbf 100644
--- a/hosts/falkenstein-1/modules/mail/default.nix
+++ b/hosts/falkenstein-1/modules/mail/default.nix
@@ -4,7 +4,7 @@
   sops.secrets."rspamd".owner = config.users.users.rspamd.name;
   mailserver = rec {
     enable = true;
-    fqdn = "mail.rfive.de";
+    fqdn = "falkenstein.vpn.rfive.de";
     domains = [ "rfive.de" ];
     loginAccounts = {
       "rouven@rfive.de" = {
diff --git a/users/rouven/modules/accounts/default.nix b/users/rouven/modules/accounts/default.nix
index 4c35cff..c65775b 100644
--- a/users/rouven/modules/accounts/default.nix
+++ b/users/rouven/modules/accounts/default.nix
@@ -45,11 +45,11 @@ in
       userName = address;
       passwordCommand = "${pkgs.coreutils}/bin/cat $XDG_RUNTIME_DIR/secrets/email/rfive";
       imap = {
-        host = "mail.rfive.de";
+        host = "falkenstein.vpn.rfive.de";
         port = 993;
       };
       smtp = {
-        host = "mail.rfive.de";
+        host = "falkenstein.vpn.rfive.de";
         port = 587;
         tls.useStartTls = true;
       };