Creating Emails Dynamically

using System.Web.Mail

string to = jdoe@abc.com;
string from = support@abc.com;
string subject = "This is the Subject of your email";
string msg = "Text of your email";
Declare a new mailmessage object
System.Web.Mail.MailMessage mail = new System.Web.Mail.MailMessage();
mail.To = to;
mail.From = from;
mail.Subject = subject;
mail.BodyFormat = MailFormat.Html;
mail.Body = msg;
SmtpMail.Send(mail);
mail = null;

If you need any additional information check out System.Web.Mail in the MSDN.