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nixpkgs/nixos/modules/programs/ssmtp.nix
Franz Pletz 9536169074
nixos/treewide: remove boolean examples for options
They contain no useful information and increase the length of the
autogenerated options documentation.

See discussion in #18816.
2017-03-17 23:36:19 +01:00

139 lines
3.6 KiB
Nix

# Configuration for `ssmtp', a trivial mail transfer agent that can
# replace sendmail/postfix on simple systems. It delivers email
# directly to an SMTP server defined in its configuration file, wihout
# queueing mail locally.
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.networking.defaultMailServer;
in
{
options = {
networking.defaultMailServer = {
directDelivery = mkOption {
type = types.bool;
default = false;
description = ''
Use the trivial Mail Transfer Agent (MTA)
<command>ssmtp</command> package to allow programs to send
e-mail. If you don't want to run a real MTA like
<command>sendmail</command> or <command>postfix</command> on
your machine, set this option to <literal>true</literal>, and
set the option
<option>networking.defaultMailServer.hostName</option> to the
host name of your preferred mail server.
'';
};
hostName = mkOption {
type = types.str;
example = "mail.example.org";
description = ''
The host name of the default mail server to use to deliver
e-mail.
'';
};
root = mkOption {
type = types.str;
default = "";
example = "root@example.org";
description = ''
The e-mail to which mail for users with UID &lt; 1000 is forwarded.
'';
};
domain = mkOption {
type = types.str;
default = "";
example = "example.org";
description = ''
The domain from which mail will appear to be sent.
'';
};
useTLS = mkOption {
type = types.bool;
default = false;
description = ''
Whether TLS should be used to connect to the default mail
server.
'';
};
useSTARTTLS = mkOption {
type = types.bool;
default = false;
description = ''
Whether the STARTTLS should be used to connect to the default
mail server. (This is needed for TLS-capable mail servers
running on the default SMTP port 25.)
'';
};
authUser = mkOption {
type = types.str;
default = "";
example = "foo@example.org";
description = ''
Username used for SMTP auth. Leave blank to disable.
'';
};
authPass = mkOption {
type = types.str;
default = "";
example = "correctHorseBatteryStaple";
description = ''
Password used for SMTP auth. (STORED PLAIN TEXT, WORLD-READABLE IN NIX STORE)
'';
};
setSendmail = mkOption {
type = types.bool;
default = true;
description = "Whether to set the system sendmail to ssmtp's.";
};
};
};
config = mkIf cfg.directDelivery {
environment.etc."ssmtp/ssmtp.conf".text =
''
MailHub=${cfg.hostName}
FromLineOverride=YES
${if cfg.root != "" then "root=${cfg.root}" else ""}
${if cfg.domain != "" then "rewriteDomain=${cfg.domain}" else ""}
UseTLS=${if cfg.useTLS then "YES" else "NO"}
UseSTARTTLS=${if cfg.useSTARTTLS then "YES" else "NO"}
#Debug=YES
${if cfg.authUser != "" then "AuthUser=${cfg.authUser}" else ""}
${if cfg.authPass != "" then "AuthPass=${cfg.authPass}" else ""}
'';
environment.systemPackages = [pkgs.ssmtp];
services.mail.sendmailSetuidWrapper = mkIf cfg.setSendmail {
program = "sendmail";
source = "${pkgs.ssmtp}/bin/sendmail";
setuid = false;
setgid = false;
};
};
}