diff --git a/home-manager/.gitconfig b/home-manager/.gitconfig
index ff098ff..24c30e3 100644
--- a/home-manager/.gitconfig
+++ b/home-manager/.gitconfig
@@ -1,6 +1,6 @@
 [user]
     name = Lukas
-    email = lukas.kopatz11@gmail.com
+    email = git@kopatz.dev
     signingkey = ~/.ssh/id_rsa.pub
 [gpg]
     format = ssh
diff --git a/home-manager/.gitconfig-selfhosted b/home-manager/.gitconfig-selfhosted
index 5b233ff..62ab0d6 100644
--- a/home-manager/.gitconfig-selfhosted
+++ b/home-manager/.gitconfig-selfhosted
@@ -15,4 +15,4 @@
 	trustexitcode = false
 [user]
 	name = Kopatz
-	email = lukas.kopatz11@gmail.com
+	email = git@kopatz.dev
diff --git a/systems/amd-server-vm/mail.nix b/systems/amd-server-vm/mail.nix
index 0437308..199e9e7 100644
--- a/systems/amd-server-vm/mail.nix
+++ b/systems/amd-server-vm/mail.nix
@@ -134,6 +134,7 @@ in
     };
     virtual = ''
       root@${email-domain} lukas@${email-domain}
+      git@${email-domain} lukas@${email-domain}
       mailer-daemon@${email-domain} lukas@${email-domain}
       postmaster@${email-domain} lukas@${email-domain}
       nobody@${email-domain} lukas@${email-domain}
diff --git a/systems/pc/configuration.nix b/systems/pc/configuration.nix
index ce35b01..55c5bfa 100644
--- a/systems/pc/configuration.nix
+++ b/systems/pc/configuration.nix
@@ -172,7 +172,7 @@
   documentation.man.generateCaches = true;
 
   #networking.firewall.allowedTCPPorts = [ 6567 ]; # mindustry
-  #networking.firewall.allowedUDPPorts = [ 6567 ]; # mindustry
+  networking.firewall.allowedUDPPorts = [ 1234 ]; #6567 ]; # mindustry
   mainUser.layout = "de";
   mainUser.variant = "us";
   age.identityPaths = [ /home/kopatz/.ssh/id_rsa ];