{ pkgs, ... }@all: with all; lib.mkIf (hyper.isPersonal) {
  accounts.email.accounts = let
    OAuth2Settings = id: {
      "mail.smtpserver.smtp_${id}.authMethod" = 10;
      "mail.server.server_${id}.authMethod" = 10;
    };
  in {
    gmail-online = {
      address = secrets.email.gmail-online.mail;
      realName = "Lennart J. Kurzweg";
      flavor = "gmail.com";
      primary = true;
      smtp.tls.useStartTls = true;
      signature = {
        text = ''
          About Me: https://nx2.site/about-me
          Contact: https://nx2.site/contact
          GPG: https://nx2.site/gpg
        '';
        showSignature = "append";
      };
      thunderbird = {
        enable = true;
        profiles = [ "nx2" ];
        # The id given as argument is an automatically generated account identifier.
        settings = OAuth2Settings; 
      };
    };

    gmail-business = {
      address = secrets.email.gmail-business.mail;
      realName = "Lennart J. Kurzweg";
      flavor = "gmail.com";
      signature = {
        text = ''
          About Me: https://nx2.site/about-me
          Contact: https://nx2.site/contact
          GPG: https://nx2.site/gpg
        '';
        showSignature = "append";
      };
      thunderbird = {
        enable = true;
        profiles = [ "nx2" ];
        # The id given as argument is an automatically generated account identifier.
        settings = OAuth2Settings; 
      };
    };
    # pnx-nix = {
    #   address = secrets.email.pnx.mail;
    #   realName = "Lennart J. Kurzweg";
    #   flavor = "outlook.office365.com";
    #   signature = {
    #     text = ''
    #       Phönix Metallbau GmbH
    #       Tel: 036374 2270
    #     '';
    #     showSignature = "append";
    #   };
    #   thunderbird = mkIf config.thunderbird.enable {
    #     enable = true;
    #     profiles = [ "nx2" ];
    #     # The id given as argument is an automatically generated account identifier.
    #     # settings = OAuth2Settings; 
    #   };
    # };
    tuda = with secrets.email.tuda; {
      address = "${un}@stud.tu-darmstadt.de";
      userName = tuid;
      realName = "Lennart J. Kurzweg";
      imap = {
        port = 993;
        host = "imap.stud.tu-darmstadt.de";
      };
      smtp = {
        port = 465;
        host = "smtp.tu-darmstadt.de";
        tls.enable = true;
      };
      signature = {
        text = ''
          Field: MSc. AI/ML
          MNr: ${mnr}
          TU-ID: ${tuid}
          About Me: https://nx2.site/about-me
          Contact: https://nx2.site/contact
          GPG: https://nx2.site/gpg
        '';
        showSignature = "append";
      };
      thunderbird = {
        enable = true;
        profiles = [ "nx2" ];
        settings = id: { };
      };
    };
    nx2site = {
      address = "lennart@${hyper.domain}";
      userName = "lennart@${hyper.domain}";
      realName = "Lennart J. Kurzweg";
      imap = {
        port = 993;
        host = "ssh.${hyper.domain}";
        tls.enable = true;
      };
      smtp = {
        port = 465;
        host = "mail-eu.smtp2go.com";
        tls.enable = true;
        # port = 587;
        # host = "mail.${hyper.domain}";
        # tls.useStartTls = true;
      };
      signature = {
        text = ''
          About Me: https://nx2.site/about-me
          Contact: https://nx2.site/contact
          GPG: https://nx2.site/gpg
        '';
        showSignature = "append";
      };
      thunderbird = {
        enable = true;
        profiles = [ "nx2" ];
      };
    };
  };
}




# hsmw = with secrets.email.hsmw; {
#   address = "${un}@hs-mittweida.de";
#   userName = "${un}@hs-mittweida.de";
#   realName = "Lennart J. Kurzweg";
#   imap = {
#     port = 993;
#     host = "xc.hs-mittweida.de";
#   };
#   smtp = {
#     port = 587;
#     host = "xc.hs-mittweida.de";
#     tls.useStartTls = true;
#   };
#   signature = {
#     text = ''
#       MatNr: ${mnr}
#       SemGr: ${semgr}
#       About Me: https://nx2.site/about-me
#       Contact: https://nx2.site/contact
#       GPG: https://nx2.site/gpg
#     '';
#     showSignature = "append";
#   };
#   thunderbird = {
#     enable = true;
#     profiles = [ "nx2" ];
#     settings = id: {
#       "mail.server.server_${id}.fcc_folder" = "imap://${un}%40hs-mittweida.de@xc.hs-mittweida.de/Sent";
#     };
#   };
# };