private async Task UpdateSentTriesAsync(QueuedEmail queuedEmail)
 {
     try
     {
         await _queuedEmailService.UpdateAsync(
             queuedEmail.Id,
             ++queuedEmail.SentTries,
             queuedEmail.SentOn,
             queuedEmail.FailedReason);
     }
     catch (Exception ex)
     {
         _logger.Error(
             ex,
             "{Class} » {Method}: {Message}", nameof(UpdateSentTriesAsync), nameof(UpdateSentTriesAsync), ex.Message);
     }
 }