vps1: enable mailserver

hosts/vps1/configuration.nix

@@ -1,6 +1,7 @@
 { pkgs, config, data, ... }:
 let
   inherit (data.host) rootDomain;
+  mailDomain = data.services.mailserver.domain;
   gtnhDomain = "gtnh.${rootDomain}";
   discDomain = "discourse.testdrive.${rootDomain}";
   akkoDomain = "akko429164.testdrive.${rootDomain}";
@@ -12,6 +13,7 @@ in
     ./hardware-configuration.nix
     ./services/postgres.nix
     ./services/git.nix
+    ./services/mailserver.nix
     ./akkotest.nix
 
     (fetchTarball { url = "https://github.com/cariandrum22/nixos-vscode-server/tarball/support-for-new-dir-structure-of-vscode-server"; sha256 = "1sp4h0nb7dh7mcm8vdflihv76yz8azf5zifkcbxhq7xz48c8k5pd"; })
@@ -123,6 +125,7 @@ in
       dnsProvider = "porkbun";
       environmentFile = config.sops.secrets.porkbun.path;
       extraDomainNames = [
+        mailDomain
         "*.${rootDomain}"
         "*.testdrive.${rootDomain}"
       #   gtnhDomain

hosts/vps1/data/services.toml

@@ -2,3 +2,5 @@
 subdomain = "git"
 sshPort = 22631
 
+[mailserver]
+subdomain = "mail"

hosts/vps1/services/mailserver.nix

@@ -0,0 +1,37 @@
+{ lib, config, data, ...}:
+let
+  inherit (data.host) rootDomain;
+  inherit (data.services.mailserver) domain;
+  gitDomain = data.services.git.domain;
+in
+{
+  mailserver = {
+    enable = true;
+    fqdn = domain;
+    domains = [
+      rootDomain
+      domain
+      gitDomain
+    ];
+    certificateScheme = "acme";
+
+    enableManageSieve = true;
+    indexDir = "/var/lib/dovecot/indices";
+    dkimKeyBits = 4096;
+
+    loginAccounts = {
+      "lgm@${rootDomain}" = {
+        aliases = [
+          "lgmrszd@${rootDomain}"
+          "postmaster@${rootDomain}"
+          "abuse@${rootDomain}"
+        ];
+      };
+      "forgejo@${rootDomain}" = {
+        aliases = [
+          "@${gitDomain}"
+        ];
+      };
+    };
+  };
+}