{
  pkgs,
  hostname,
  ...
}: {
  home.packages = with pkgs; [protonmail-bridge-gui];
  accounts.email = {
    maildirBasePath = "Mail";
    accounts = let
      realName = "Evie Litherland-Smith";
    in {
      proton = let
        host = "127.0.0.1";
        tls.enable = false;
      in rec {
        inherit realName;
        primary = true;
        maildir.path = "Proton";
        imap = {
          inherit host tls;
          port = 1143;
        };
        smtp = {
          inherit host tls;
          port = 1025;
        };
        address = "e.litherlandsmith@proton.me";
        aliases = ["evie@xenia.me.uk" "evie@litherlandsmith.slmail.me"];
        userName = address;
        passwordCommand = "${pkgs.pass}/bin/pass show mbsync/${hostname}/proton | head -n1";
        mu.enable = true;
        msmtp = {
          enable = true;
          extraConfig = {
            tls = "off";
            auth = "login";
          };
        };
        mbsync = {
          enable = true;
          create = "both";
          expunge = "both";
          remove = "both";
          patterns = ["*" "!All Mail" "!Labels*" "!Starred" "!Recovered Messages"];
          subFolders = "Verbatim";
          extraConfig.account.AuthMechs = "LOGIN";
        };
      };
      icloud = rec {
        inherit realName;
        primary = false;
        maildir.path = "iCloud";
        imap.host = "imap.mail.me.com";
        smtp.host = "smtp.mail.me.com";
        address = "e.litherlandsmith@icloud.com";
        userName = address;
        passwordCommand = "${pkgs.pass}/bin/pass show mbsync/${hostname}/icloud | head -n1";
        mu.enable = true;
        msmtp.enable = true;
        mbsync = {
          enable = true;
          create = "both";
          expunge = "both";
          remove = "both";
          patterns = ["*" "!Notes"];
          subFolders = "Verbatim";
        };
      };
    };
  };
  programs = {
    mu.enable = true;
    msmtp.enable = true;
    mbsync = {
      enable = true;
      groups.inboxes = {
        proton = ["INBOX"];
        icloud = ["INBOX"];
      };
    };
  };
}