{ config, lib, pkgs, osConfig, ... }: { programs = { thunderbird = if osConfig.apps.internet.mail.enable then { enable = true; profiles."default" = { isDefault = true; }; } else { }; }; services = { protonmail-bridge = if osConfig.apps.internet.mail.providers.protonmail.enable then { enable = true; package = pkgs.protonmail-bridge; extraPackages = with pkgs; [ gnome-keyring ]; } else { }; }; }