public async Task SendErrorsAsync(IEnumerable <ServiceCheckResultDto> serviceCheckResults)
        {
            Guard.Against.NullOrEmpty(serviceCheckResults, nameof(serviceCheckResults));

            try
            {
                var message = _emailBuilder.BuildUnhealthyServicesEmail(serviceCheckResults,
                                                                        _smtpConfiguration.SenderName,
                                                                        _smtpConfiguration.SenderEmail,
                                                                        _notificationConfiguration.NotificationEmails);

                await _smtpClient.ConnectAsync(_smtpConfiguration.SmtpServer, _smtpConfiguration.SmtpPort);

                await _smtpClient.AuthenticateAsync(_smtpConfiguration.SenderUserName, _smtpConfiguration.SenderPassword);

                await _smtpClient.SendAsync(message);

                await _smtpClient.DisconnectAsync(true);
            }
            catch (Exception ex)
            {
                _logger.LogError("Failed to send email about unhealthy services", ex);
            }
        }