Mail body in loop to sent single user

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C#

Dear sir i want to sent four mail information on single E Mail body on single email id.


i am using following code to make mail body


List numbers = EmailID.Trim().Split(',').ToList();
MailMessage mail = new MailMessage();
SmtpClient SmtpServer = new SmtpClient("smtpcorp.com");
mail.From = new MailAddress("jitendragupta1040@gmail.com");
mail.To.Add(EmailID);
mail.Subject = "Tender Information";
mail.Body = Message;
SmtpServer.Port = 2525;
SmtpServer.Credentials = new System.Net.NetworkCredential(txtemailid.Text,txtpassword.Text);
SmtpServer.EnableSsl = true;
SmtpServer.Send(mail);

i want to make mail body in loop..
please help