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Add the email containers

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Signed-off-by: Magic_RB <magic_rb@redalder.org>
This commit is contained in:
Magic_RB 2023-06-13 23:05:53 +02:00
parent c1a727a699
commit a2c85e365f
5 changed files with 324 additions and 0 deletions
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3
flake.nix
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@ -53,6 +53,9 @@
nixng/containers/matrix/heisenbridge
nixng/containers/matrix/synapse
nixng/containers/website
nixng/containers/email/getmail
nixng/containers/email/dovecot.nix
nixng/containers/email/postfix
nixng/containers/ds3os
overlays/udp-over-tcp.nix
overlays/emacsclient-remote

87
nixng/containers/email/dovecot.nix Normal file
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{ inputs, ... }:
{
flake.nixngConfigurations.dovecot = inputs.nixng.nglib.makeSystem {
system = "x86_64-linux";
name = "ra-systems-dovecot";
inherit (inputs) nixpkgs;
config =
{ pkgs, ... }:
{
config = {
dumb-init = {
enable = true;
type.services = {};
};
services.dovecot = {
enable = true;
package = pkgs.dovecot;
config = {
protocols = "imap lmtp";
# auth
ssl = "no";
disable_plaintext_auth = "no";
auth_mechanisms = "plain login";
mail_location = "maildir:/maildir/%u";
protocol."imap" = { };
protocol."lmtp" = {
mail_plugins = [ "sieve" ];
};
plugin."" = {
sieve = "/mail-configuration/entry.sieve";
};
mail_plugin_dir = pkgs.symlinkJoin {
name = "dovecot-modules";
paths = map (pkg: "${pkg}/lib/dovecot") ([ pkgs.dovecot pkgs.dovecot_pigeonhole ]);
};
# Optimizations:
# dotlock_use_excl = true;
maildir_copy_with_hardlinks = true;
lda_mailbox_autocreate = "yes";
lmtp_save_to_detail_mailbox = "yes";
service."lmtp" = {
inet_listener."lmtp" = {
address = [ "127.0.0.1" ];
port = 24;
};
};
service."imap-login" = {
inet_listener."imap" = {
port = 143;
};
# inet_listener."imaps" = {
# port = 993;
# ssl = "yes";
# };
};
# Authentication configuration:
auth_debug = true;
log_path = "/proc/self/fd/1";
info_log_path = "/proc/self/fd/1";
debug_log_path = "/proc/self/fd/1";
passdb."" = {
driver = "passwd-file";
args = "scheme=plain username_format=%u /secrets/passwd.dovecot";
};
userdb."" = {
driver = "passwd-file";
args = "username_format=%u /secrets/passwd.dovecot";
default_fields = "uid=vmail gid=vmail home=/maildir/%u";
};
};
};
};
};
};
}

79
nixng/containers/email/getmail/default.nix Normal file
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{ inputs, config, ... }:
let
config' = config;
in
{
flake.nixngConfigurations.getmail = inputs.nixng.nglib.makeSystem {
system = "x86_64-linux";
name = "ra-systems-getmail";
inherit (inputs)
nixpkgs;
config =
{ pkgs, config, ... }:
{
config = {
dumb-init = {
enable = true;
type.services = {};
};
users.users."vmail" = {
uid = config.ids.uids.vmail;
description = "vmail user.";
group = "vmail";
shell = "${pkgs.bash}/bin/bash";
};
users.groups."vmail" = {
gid = config.ids.gids.vmail;
};
init.services.getmail = {
shutdownOnExit = true;
script =
let
pkgs' = pkgs.appendOverlays (with config'.flake.overlays; [
courier-unicode
getmail6
maildrop
]);
PATH = with pkgs'; lib.makeBinPath [
jq
busybox
runit
bash
getmail6
maildrop
];
in
pkgs.writeShellScript "getmail-run" ''
export PATH=${PATH}:${pkgs.opensmtpd}/libexec/opensmtpd:$PATH
set -m
for rcfile in /mail-configuration/getmail.d/*.rc
do
filename="$(basename "''${rcfile}")"
email="''${filename%".rc"}"
mkdir -p "/getmail.d/''${email}"
chown vmail:vmail -R "/getmail.d/''${email}"
(
while true
do
chpst -u vmail:vmail getmail -i INBOX -n -r "$rcfile" --getmaildir "/mail-configuration/getmail.d/''${email}"
sleep 10
done
) &
done
wait
'';
enabled = true;
};
};
};
};
}
# /usr/lib/sendmail -i -oem -f %F %T

128
nixng/containers/email/postfix/default.nix Normal file
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@ -0,0 +1,128 @@
{ inputs, ... }:
{
flake.nixngConfigurations.postfix = inputs.nixng.nglib.makeSystem {
system = "x86_64-linux";
name = "nixng-postfix";
inherit (inputs)
nixpkgs;
config =
{ pkgs, config, ... }:
{
config = {
dumb-init = {
enable = true;
type.services = {};
};
init.services.postfix = {
shutdownOnExit = true;
};
services.postfix = {
enable = true;
masterConfig = import ./master_config.nix;
mainConfig = {
smptd_banner = [ "$myhostname" "ESMTP" "$mail_name" "(Ubuntu)" ];
biff = "no";
# delay_warning_time = "4h";
append_dot_mydomain = "no";
readme_directory = "no";
compatibility_level = 2;
smtpd_tls_cert_file = "/etc/letsencrypt/live/example.com/fullchain.pem";
smtpd_tls_key_file = "/etc/letsencrypt/live/example.com/privkey.pem";
smtpd_use_tls = "yes";
smtpd_tls_auth_only = "yes";
smtp_tls_security_level = "may";
smtpd_tls_security_level = "may";
smtpd_sasl_security_options = [ "noanonymous" "noplaintext" ];
smtpd_sasl_tls_security_options = "noanonymous";
smtpd_sasl_type = "dovecot";
smtpd_sasl_path = "private/auth";
smtpd_sals_auth_enable = "yes";
smtpd_helo_restrictions = [
"permit_mynetworks"
"permit_sals_authenticated"
"reject_invalid_helo_hostname"
"reject_non_fqdn_helo_hostname"
];
smtpd_recipient_restrictions = [
"permit_mynetworks"
"permit_sasl_authenticated"
"reject_non_fqdn_recipient"
"reject_unknown_recipient_domain"
"reject_unlisted_recipient"
"reject_unauth_destination"
];
smtpd_sender_restrictions = [
"permit_mynetworks"
"permit_sasl_authenticated"
"reject_non_fqdn_sender"
"reject_unknown_sender_domain"
];
smtpd_relay_restrictions = [
"permit_mynetworks"
"permit_sasl_authenticated"
"defer_unauth_destination"
];
myhostname = "example.org";
alias_maps = "hash:/etc/aliases";
alias_database = "hash:/etc/aliases";
mydoamin = "example.org";
myorigin = "$mydomain";
mydestination = "localhost";
relayhost = "";
mynetworks = [
"127.0.0.0/8"
"[::ffff:127.0.0.0]/104"
"[::1]/128"
];
mailbox_size_limit = 0;
recipient_delimiter = "+";
inet_interfaces = "all";
inet_protocols = "all";
virtual_transport = "lmtp:unix:private/dovecot-lmtp";
virtual_mailbox_domains = "mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf";
virtual_mailbox_maps = "mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf";
virtual_alias_maps = [
"mysql:/etc/postfix/mysql-virtual-alias-maps.cf"
"mysql:/etc/postfix/mysql-virtual-email2email.cf"
];
disable_vrfy_command = "yes";
strict_rfc821_envelopes = "yes";
# smtpd_etrn_restrictions = "yes";
# smtpd_reject_unlisted_sender = "yes";
# smtpd_reject_unlisted_recipient = "yes";
smtpd_delay_reject = "yes";
smtpd_helo_required = "yes";
smtp_always_send_ehlo = "yes";
# smtpd_hard_error_limit = 1;
smtpd_timeout = "30s";
smtp_helo_timeout = "15s";
smtp_rcpt_timeout = "15s";
smtpd_recipient_limit = "15s";
minimal_backoff_time = "180s";
maximal_backoff_time = "3h";
invalid_hostname_reject_code = 550;
non_fqdn_reject_code = 550;
unknown_address_reject_code = 550;
unknown_client_reject_code = 550;
unknown_hostname_reject_code = 550;
unverified_recipent_reject_code = 550;
unverified_sender_reject_code = 550;
};
};
};
};
};
}

27
nixng/containers/email/postfix/master_config.nix Normal file
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{
pickup = { type = "unix"; private = "n"; chroot = "n"; wakeup = "60"; maxproc = 1; command = "pickup"; };
cleanup = { type = "unix"; private = "n"; chroot = "n"; maxproc = 0; command = "cleanup"; };
qmgr = { type = "unix"; private = "n"; chroot = "n"; wakeup = "300"; maxproc = 1; command = "qmgr"; };
tlsmgr = { type = "unix"; wakeup = "1000?"; maxproc = 1; command = "tlsmgr"; };
rewrite = { type = "unix"; chroot = "n"; command = "trivial-rewrite"; };
bounce = { type = "unix"; chroot = "n"; maxproc = 0; command = "bounce"; };
defer = { type = "unix"; chroot = "n"; maxproc = 0; command = "bounce"; };
trace = { type = "unix"; chroot = "n"; maxproc = 0; command = "bounce"; };
verify = { type = "unix"; chroot = "n"; maxproc = 1; command = "verify"; };
flush = { type = "unix"; chroot = "n"; wakeup = "1000?"; maxproc = 0; command = "flush"; };
proxymap = { type = "unix"; chroot = "n"; command = "proxymap"; };
proxywrite = { type = "unix"; chroot = "n"; maxproc = 1; command = "proxymap"; };
smtp = [ { type = "unix"; chroot = "n"; command = "smtp"; }
{ type = "inet"; private = "n"; chroot = "n"; command = "smtpd"; } ];
relay = { type = "unix"; chroot = "n"; command = "smtp -o syslog_name=postfix/$service_name"; }; # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq = { type = "unix"; private = "n"; chroot = "n"; command = "showq"; };
error = { type = "unix"; chroot = "n"; command = "error"; };
retry = { type = "unix"; chroot = "n"; command = "error"; };
discard = { type = "unix"; chroot = "n"; command = "discard"; };
local = { type = "unix"; unpriv = "n"; chroot = "n"; command = "local"; };
virtual = { type = "unix"; unpriv = "n"; chroot = "n"; command = "virtual"; };
lmtp = { type = "unix"; chroot = "n"; command = "lmtp"; };
anvil = { type = "unix"; chroot = "n"; maxproc = 1; command = "anvil"; };
scache = { type = "unix"; chroot = "n"; maxproc = 1; command = "scache"; };
postlog = { type = "unix-dgram"; private = "n"; chroot = "n"; maxproc = 1; command = "postlogd"; };
}