diff --git a/system/desktop/mail-stuff.nix b/system/desktop/mail-stuff.nix
index ac2ecb5..d389acf 100644
--- a/system/desktop/mail-stuff.nix
+++ b/system/desktop/mail-stuff.nix
@@ -108,7 +108,7 @@ in {
         enable = true;
         # msmtp --serverinfo --tls --tls-certcheck=off -a ingolf-wagner
         tls.fingerprint =
-          "79:7C:A8:AB:B9:70:02:DC:18:A5:25:10:BC:0B:8D:84:01:9F:57:D3:1C:FE:4C:7D:8B:54:00:7A:94:C7:D2:46";
+          "4D:E2:56:3C:6D:2D:BF:E7:15:5A:EA:86:CE:B9:DE:87:0E:86:87:99:FB:48:8E:AF:B3:78:24:FD:33:1D:C6:25";
       };
       gpg = {
         encryptByDefault = true;