gistfile1.cs

    public class TempMail
    {
        public string Subject { get; set; }
        public string Body { get; set; }
        public List<string> Recipients { get; set; }
        public bool IsSummary { get; set; }

    }
    
    //Mapping Logic
    

TempMail mail = new TempMail();
mail.Body = message.Body.Text;
mail.Subject = message.Subject.
Substring(message.Subject.
 IndexOf(ConfigurationManager.AppSettings["ValidEmailIdentifier"].ToString()) + 1).Trim();
mail.Info = " Sender: " + message.Sender.Name +
            " Sender EmailId: " + message.Sender.Address +
            " Subject: " + mail.Subject;

string body = message.Body.Text;
//Get the mail Ids the mail is to be broacasted to
 mail.Recipients = new List<string>();

  for (int i = 0; i < 50; i++)
  {
       mail.Recipients.Add("vibhu.kuchhal" + i.ToString() + "@contoso.com");
  }

}