{ config, pkgs, ... }:
{
  services.davmail = {
    enable = true;
    settings = {
      "davmail.imapPort" = 4444;
      "davmail.oauth.redirectUri" = "urn:ietf:wg:oauth:2.0:oob";
      "davmail.persistToken" = true;
    };
  };

  nmt.script = ''
    serviceFile=home-files/.config/systemd/user/davmail.service
    assertFileExists $serviceFile
    configFile=$(grep -o '/nix/store/.*-davmail.properties' $TESTED/$serviceFile)
    assertFileExists $configFile
    assertFileContent $configFile ${pkgs.writeText "custom-settings.properties" ''
      # Generated with Nix

      davmail.caldavPort = 1080
      davmail.disableUpdateCheck = true
      davmail.imapPort = 4444
      davmail.ldapPort = 1389
      davmail.logFilePath = ${config.xdg.stateHome}/davmail.log
      davmail.logFileSize = 1MB
      davmail.mode = auto
      davmail.oauth.redirectUri = urn:ietf:wg:oauth:2.0:oob
      davmail.oauth.tokenFilePath = ${config.xdg.stateHome}/davmail-tokens
      davmail.persistToken = true
      davmail.popPort = 1110
      davmail.server = true
      davmail.smtpPort = 1025
      davmail.url = https://outlook.office365.com/EWS/Exchange.asmx
      log4j.logger.davmail = WARN
      log4j.logger.httpclient.wire = WARN
      log4j.logger.org.apache.commons.httpclient = WARN
      log4j.rootLogger = WARN
    ''}
  '';
}