diff options
Diffstat (limited to 'nixos/modules/services/mail/mailman.nix')
-rw-r--r-- | nixos/modules/services/mail/mailman.nix | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/nixos/modules/services/mail/mailman.nix b/nixos/modules/services/mail/mailman.nix new file mode 100644 index 00000000000..11dd5cb48db --- /dev/null +++ b/nixos/modules/services/mail/mailman.nix @@ -0,0 +1,114 @@ +{ config, pkgs, lib, ... }: # mailman.nix + +with lib; + +let + + cfg = config.services.mailman; + + pythonEnv = pkgs.python3.withPackages (ps: [ps.mailman]); + + mailmanExe = with pkgs; stdenv.mkDerivation { + name = "mailman-" + python3Packages.mailman.version; + unpackPhase = ":"; + installPhase = '' + mkdir -p $out/bin + sed >"$out/bin/mailman" <"${pythonEnv}/bin/mailman" \ + -e "2 iexport MAILMAN_CONFIG_FILE=/etc/mailman.cfg" + chmod +x $out/bin/mailman + ''; + }; + + mailmanCfg = '' + [mailman] + site_owner: ${cfg.siteOwner} + layout: fhs + + [paths.fhs] + bin_dir: ${pkgs.python3Packages.mailman}/bin + var_dir: /var/lib/mailman + queue_dir: $var_dir/queue + log_dir: $var_dir/log + lock_dir: $var_dir/lock + etc_dir: /etc + ext_dir: $etc_dir/mailman.d + pid_file: /run/mailman/master.pid + ''; + +in { + + ###### interface + + options = { + + services.mailman = { + + enable = mkOption { + type = types.bool; + default = false; + description = "Enable Mailman on this host. Requires an active Postfix installation."; + }; + + siteOwner = mkOption { + type = types.str; + default = "postmaster"; + description = '' + Certain messages that must be delivered to a human, but which can't + be delivered to a list owner (e.g. a bounce from a list owner), will + be sent to this address. It should point to a human. + ''; + }; + + + }; + }; + + ###### implementation + + config = mkIf cfg.enable { + + assertions = [ + { assertion = cfg.enable -> config.services.postfix.enable; + message = "Mailman requires Postfix"; + } + { assertion = config.services.postfix.recipientDelimiter == "+"; + message = "Postfix's recipientDelimiter must be set to '+'."; + } + ]; + + users.users.mailman = { description = "GNU Mailman"; isSystemUser = true; }; + + environment = { + systemPackages = [ mailmanExe ]; + etc."mailman.cfg".text = mailmanCfg; + }; + + services.postfix = { + relayDomains = [ "hash:/var/lib/mailman/data/postfix_domains" ]; + config = { + transport_maps = [ "hash:/var/lib/mailman/data/postfix_lmtp" ]; + local_recipient_maps = [ "hash:/var/lib/mailman/data/postfix_lmtp" ]; + # Mailman uses recipient delimiters, so we don't need special handling. + owner_request_special = "no"; + }; + }; + + systemd.services.mailman = { + description = "GNU Mailman Master Process"; + after = [ "network.target" ]; + wantedBy = [ "multi-user.target" ]; + serviceConfig = { + ExecStart = "${mailmanExe}/bin/mailman start"; + ExecStop = "${mailmanExe}/bin/mailman stop"; + User = "mailman"; + Type = "forking"; + StateDirectory = "mailman"; + StateDirectoryMode = "0700"; + RuntimeDirectory = "mailman"; + PIDFile = "/run/mailman/master.pid"; + }; + }; + + }; + +} |