91 lines
2.4 KiB
Nix
91 lines
2.4 KiB
Nix
# Configuration for `ssmtp', a trivial mail transfer agent that can
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# replace sendmail/postfix on simple systems. It delivers email
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# directly to an SMTP server defined in its configuration file, wihout
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# queueing mail locally.
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{config, pkgs, ...}:
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with pkgs.lib;
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let
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options = {
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networking.defaultMailServer = {
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directDelivery = mkOption {
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default = false;
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example = true;
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description = "
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Use the trivial Mail Transfer Agent (MTA)
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<command>ssmtp</command> package to allow programs to send
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e-mail. If you don't want to run a ``real'' MTA like
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<command>sendmail</command> or <command>postfix</command> on
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your machine, set this option to <literal>true</literal>, and
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set the option
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<option>networking.defaultMailServer.hostName</option> to the
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host name of your preferred mail server.
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";
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};
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hostName = mkOption {
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example = "mail.example.org";
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description = "
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The host name of the default mail server to use to deliver
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e-mail.
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";
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};
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domain = mkOption {
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default = "";
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example = "example.org";
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description = "
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The domain from which mail will appear to be sent.
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";
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};
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useTLS = mkOption {
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default = false;
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example = true;
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description = "
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Whether TLS should be used to connect to the default mail
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server.
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";
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};
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useSTARTTLS = mkOption {
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default = false;
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example = true;
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description = "
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Whether the STARTTLS should be used to connect to the default
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mail server. (This is needed for TLS-capable mail servers
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running on the default SMTP port 25.)
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";
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};
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};
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};
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cfg = config.networking.defaultMailServer;
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in
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mkIf cfg.directDelivery {
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require = [options];
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environment.etc =
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[ { source = pkgs.writeText "ssmtp.conf" ''
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MailHub=${cfg.hostName}
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FromLineOverride=YES
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${if cfg.domain != "" then "rewriteDomain=${cfg.domain}" else ""}
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UseTLS=${if cfg.useTLS then "YES" else "NO"}
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UseSTARTTLS=${if cfg.useSTARTTLS then "YES" else "NO"}
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#Debug=YES
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'';
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target = "ssmtp/ssmtp.conf";
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}
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];
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environment.systemPackages = [pkgs.ssmtp];
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}
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