diff --git a/config/net/flpk.nix b/config/net/flpk.nix
index 4b370b2..6828499 100644
--- a/config/net/flpk.nix
+++ b/config/net/flpk.nix
@@ -13,6 +13,7 @@
       leoncloud = "45.158.40.165";
       mastodon = "45.158.40.166";
       c3d2-web = "45.158.40.167";
+      mailtngbert = "45.158.40.168";
     };
     hosts6.flpk = {
       flpk-gw = "2a0f:5382:acab:1400::c3d2";
@@ -22,6 +23,7 @@
       leoncloud = "2a0f:5382:acab:1400::a5";
       mastodon = "2a0f:5382:acab:1400::a6";
       c3d2-web = "2a0f:5382:acab:1400::a7";
+      mailtngbert = "2a0f:5382:acab:1400::a8";
     };
   };