{
  resholve,
  stdenv,
  symlinkJoin,
  lib,
  fetchFromGitHub,
  autoreconfHook,
  pkg-config,
  bash,
  coreutils,
  gnugrep,
  gnused,
  gnutls,
  gsasl,
  libidn2,
  netcat-gnu,
  texinfo,
  which,
  withKeyring ? true,
  libsecret,
  withSystemd ? lib.meta.availableOn stdenv.hostPlatform systemd,
  systemd,
  withScripts ? true,
  withLibnotify ? true,
  libnotify,
  gitUpdater,
  binlore,
  msmtp,
}: let
  inherit (lib) getBin getExe optionals;

  version = "1.8.32";

  src = fetchFromGitHub {
    owner = "marlam";
    repo = "msmtp";
    rev = "msmtp-${version}";
    hash = "sha256-ofyDtP7KgTKX/O1O4g3OcDwgihDveAiJ5s5GQtSqf28=";
  };

  meta = {
    description = "Simple and easy to use SMTP client with excellent sendmail compatibility";
    homepage = "https://marlam.de/msmtp/";
    license = lib.licenses.gpl3Plus;
    maintainers = with lib.maintainers; [peterhoeg];
    platforms = lib.platforms.unix;
    mainProgram = "msmtp";
  };

  binaries = stdenv.mkDerivation {
    pname = "msmtp-binaries";
    inherit version src meta;

    patches = [
      ./0001-msmtp-run-passwordeval-if-tls_key_file-is-provided-e.patch
    ];

    configureFlags =
      [
        "--sysconfdir=/etc"
        "--with-libgsasl"
      ]
      ++ optionals stdenv.hostPlatform.isDarwin ["--with-macosx-keyring"];

    buildInputs =
      [
        gnutls
        gsasl
        libidn2
      ]
      ++ optionals withKeyring [libsecret];

    nativeBuildInputs = [
      autoreconfHook
      pkg-config
      texinfo
    ];

    enableParallelBuilding = true;

    postInstall = ''
      install -Dm444 -t $out/share/doc/msmtp doc/*.example
      ln -s msmtp $out/bin/sendmail
    '';
  };

  scripts = resholve.mkDerivation {
    pname = "msmtp-scripts";
    inherit version src meta;

    patches = [
      ./msmtpq-remove-binary-check.patch
      ./msmtpq-systemd-logging.patch
    ];

    postPatch = ''
      substituteInPlace scripts/msmtpq/msmtpq \
        --replace @journal@ ${
        if withSystemd
        then "Y"
        else "N"
      }
    '';

    dontConfigure = true;
    dontBuild = true;

    installPhase = ''
      runHook preInstall

      install -Dm555 -t $out/bin                     scripts/msmtpq/msmtp*
      install -Dm444 -t $out/share/doc/msmtp/scripts scripts/msmtpq/README*
      install -Dm444 -t $out/share/doc/msmtp/scripts scripts/{find_alias,msmtpqueue,set_sendmail}/*

      if grep --quiet -E '@.+@' $out/bin/*; then
        echo "Unsubstituted variables found. Aborting!"
        grep -E '@.+@' $out/bin/*
        exit 1
      fi

      runHook postInstall
    '';

    solutions = {
      msmtpq = {
        scripts = ["bin/msmtpq"];
        interpreter = getExe bash;
        inputs =
          [
            binaries
            coreutils
            gnugrep
            gnused
            netcat-gnu
            which
          ]
          ++ optionals withSystemd [systemd]
          ++ optionals withLibnotify [libnotify];
        execer =
          [
            "cannot:${getBin binaries}/bin/msmtp"
            "cannot:${getBin netcat-gnu}/bin/nc"
          ]
          ++ optionals withSystemd [
            "cannot:${getBin systemd}/bin/systemd-cat"
          ]
          ++ optionals withLibnotify [
            "cannot:${getBin libnotify}/bin/notify-send"
          ];
        fix."$MSMTP" = ["msmtp"];
        fake.external =
          [
            "ping"
          ]
          ++ optionals (!withSystemd) ["systemd-cat"]
          ++ optionals (!withLibnotify) ["notify-send"];
        keep.source = ["~/.msmtpqrc"];
      };

      msmtp-queue = {
        scripts = ["bin/msmtp-queue"];
        interpreter = getExe bash;
        inputs = ["${placeholder "out"}/bin"];
        execer = ["cannot:${placeholder "out"}/bin/msmtpq"];
      };
    };
  };
in
  if withScripts
  then
    symlinkJoin {
      name = "msmtp-${version}";
      inherit version meta;
      paths = [
        binaries
        scripts
      ];
      passthru = {
        inherit binaries scripts src;
        # msmtpq forwards most of its arguments to msmtp [1].
        #
        # [1]: <https://github.com/marlam/msmtp/blob/msmtp-1.8.26/scripts/msmtpq/msmtpq#L301>
        binlore.out = binlore.synthesize msmtp ''
          wrapper bin/msmtpq bin/msmtp
        '';
        updateScript = gitUpdater {rev-prefix = "msmtp-";};
      };
    }
  else binaries