90 lines
2.8 KiB
Nix
90 lines
2.8 KiB
Nix
{
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config,
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inputs,
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lib,
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...
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}:
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{
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imports = [
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inputs.simple-nixos-mailserver.nixosModule
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];
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config = lib.mkMerge [
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(lib.mkIf config.osbmModules.services.mailserver.enable {
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mailserver = {
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enable = true;
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stateVersion = 3;
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fqdn = "mail.osbm.dev";
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domains = [ "osbm.dev" ];
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# A list of all login accounts. To create the password hashes, use
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# nix-shell -p mkpasswd --run 'mkpasswd -sm bcrypt'
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loginAccounts = {
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"osbm@osbm.dev" = {
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hashedPasswordFile = "/persist/osbm.passwd"; # TODO: Make this into agenix secret
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aliases = [ "postmaster@osbm.dev" ];
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};
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};
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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 = "acme-nginx";
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};
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})
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# mailserver and impermanence
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(lib.mkIf
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(
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config.osbmModules.services.mailserver.enable
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&& config.osbmModules.hardware.disko.zfs.root.impermanenceRoot
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)
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{
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environment.persistence."/persist" = {
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directories = [
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# Dovecot is an open source IMAP and POP3 server
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# which means it handles email retrieval for users.
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"/var/lib/dovecot" # owned by root
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# Postfix is a open-source mail transfer agent (MTA)
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"/var/lib/postfix" # owned by root
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# Rspamd is a open-source spam filtering system.
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{
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directory = "/var/lib/rspamd";
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user = "rspamd";
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group = "rspamd";
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mode = "0700";
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}
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# redis-rspamd is just a redis instance used by rspamd for caching
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# TODO: what is the /var/spool folder?
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{
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directory = "/var/spool/redis-rspamd";
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user = "redis-rspamd";
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group = "redis-rspamd";
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mode = "0750";
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}
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# Sieve is a scripting language for filtering email messages.
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{
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directory = config.mailserver.sieveDirectory; # /var/sieve by default
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user = "virtualMail";
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group = "virtualMail";
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mode = "0770";
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}
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# Mail folder
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{
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directory = config.mailserver.mailDirectory; # /var/vmail by default
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user = config.mailserver.vmailUserName;
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group = config.mailserver.vmailGroupName;
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mode = "0700";
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}
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# DKIM is used to sign outgoing emails to verify they are from the claimed domain.
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{
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directory = config.mailserver.dkimKeyDirectory; # /var/dkim by default
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user = "rspamd";
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group = "rspamd";
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mode = "0755";
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}
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];
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};
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}
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)
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];
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}
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