49 lines
1.6 KiB
Nix
49 lines
1.6 KiB
Nix
{ config, lib, ... }:
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with lib;
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mkIf (elem "mailserver" config.machine.services) {
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mailserver = let
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cfg = config.machine;
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domain = cfg.domain;
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fdomain = (findFirst (s: s.service == "mail") cfg cfg.vHosts).domain;
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mkFqdnAlias = name: [ "${name}@${domain}" "${name}@${fdomain}" ];
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mkExDomAlias = name: (map (exDom: "${name}@${exDom}") cfg.extraDomains);
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mkUser = user: rec {
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name = "${user.name}@${domain}";
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value = {
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hashedPassword = (fileContents "${cfg.secretPath}/${user.name}.mail");
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aliases = [ "${user.name}@${fdomain}" ]
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++ (flatten (map mkFqdnAlias user.aliases))
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++ (flatten (map mkExDomAlias ([ user.name ] ++ user.aliases)));
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};
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};
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in rec {
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enable = true;
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fqdn = fdomain;
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domains = ([ fdomain domain ] ++ cfg.extraDomains);
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loginAccounts = listToAttrs (map mkUser cfg.mailAccounts);
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# Use Let's Encrypt certificates. Note that this needs to set up a stripped
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# down nginx and opens port 80.
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certificateScheme = 1;
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certificateFile = "/var/lib/acme/" + fqdn + "/fullchain.pem";
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keyFile = "/var/lib/acme/" + fqdn + "/key.pem";
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#dhParamBitLength = 4096; # this doesn't exist???
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# Enable IMAP and POP3
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enableImap = true;
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enablePop3 = false;
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enableImapSsl = true;
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enablePop3Ssl = false;
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# Enable the ManageSieve protocol
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enableManageSieve = true;
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# whether to scan inbound emails for viruses (note that this requires at least
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# 1 Gb RAM for the server. Without virus scanning 256 MB RAM should be plenty)
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virusScanning = false;
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};
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}
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