nixpkgs/nixos/modules/programs/ssmtp.nix

112 lines
2.9 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, pkgs, ... }:
with pkgs.lib;
let
cfg = config.networking.defaultMailServer;
in
{
options = {
networking.defaultMailServer = {
directDelivery = mkOption {
default = false;
example = true;
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 {
example = "mail.example.org";
description = ''
The host name of the default mail server to use to deliver
e-mail.
'';
};
domain = mkOption {
default = "";
example = "example.org";
description = ''
The domain from which mail will appear to be sent.
'';
};
useTLS = mkOption {
default = false;
example = true;
description = ''
Whether TLS should be used to connect to the default mail
server.
'';
};
useSTARTTLS = mkOption {
default = false;
example = true;
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 {
default = "";
example = "foo@example.org";
description = ''
Username used for SMTP auth. Leave blank to disable.
'';
};
authPass = mkOption {
default = "";
example = "correctHorseBatteryStaple";
description = ''
Password used for SMTP auth. (STORED PLAIN TEXT, WORLD-READABLE IN NIX STORE)
'';
};
};
};
config = mkIf cfg.directDelivery {
environment.etc."ssmtp/ssmtp.conf".text =
''
MailHub=${cfg.hostName}
FromLineOverride=YES
${if cfg.domain != "" then "rewriteDomain=${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];
};
}