/// <summary>
/// Sends each message using the Direct Mailing technique
/// (SMTP connection with every recipient's mail exchange server for delivery).
/// MX Records are cached for faster operation.
/// </summary>
/// <example>
/// <code>
/// C#
///
///Message message = new Message();
///message.From = new Address("*****@*****.**","John Doe");
///message.To.Add("*****@*****.**","Mike Johns");
///message.Subject = "hey!";
///message.Attachments.Add("C:\\myfile.doc");
///message.HtmlBody.Text = "As promised, the requested document.<br /><br />Regards,<br>John.";
///
///Message message1 = new Message();
///message1.From = new Address("*****@*****.**","John Doe");
///message1.To.Add("*****@*****.**","Dave Clark");
///message1.Subject = "correction";
///message1.Attachments.Add("C:\\myfile.doc");
///message1.HtmlBody.Text = "Here is what I sent to Mike.<br /><br />Regards,<br>John.";
///
///SmtpMessageCollection messages = new SmtpMessageCollection();
///messages.Add(message);
///messages.Add(message1);
///
///messages.Send();
///
/// VB.NET
///
///Dim message As New Message
///message.From = new Address("*****@*****.**","John Doe")
///message.To.Add("*****@*****.**","Mike Johns")
///message.Subject = "hey!"
///message.Attachments.Add("C:\myfile.doc")
///message.HtmlBody.Text = "As promised, the requested document.<br /><br />Regards,<br>John."
///
///Dim message1 As New Message
///message1.From = new Address("*****@*****.**","John Doe")
///message1.To.Add("*****@*****.**","Dave Clark")
///message1.Subject = "correction"
///message1.Attachments.Add("C:\myfile.doc")
///message1.HtmlBody.Text = "Here is what I sent to Mike.<br /><br />Regards,<br>John."
///
///Dim messages As New SmtpMessageCollection
///messages.Add(message)
///messages.Add(message1)
///
///messages.Send()
///
/// JScript.NET
///
///var message:Message = new Message();
///message.From = new Address("*****@*****.**","John Doe")
///message.To.Add("*****@*****.**","Mike Johns");
///message.Subject = "hey!";
///message.Attachments.Add("C:\\myfile.doc");
///message.HtmlBody.Text = "As promised, the requested document.<br /><br />Regards,<br>John."
///
///var message1:Message = new Message();
///message1.From = new Address("*****@*****.**","John Doe");
///message1.To.Add("*****@*****.**","Dave Clark");
///message1.Subject = "correction";
///message1.Attachments.Add("C:\\myfile.doc");
///message1.HtmlBody.Text = "Here is what I sent to Mike.<br /><br />Regards,<br>John.";
///
///var messages:SmtpMessageCollection = new SmtpMessageCollection();
///messages.Add(message);
///messages.Add(message1);
///
///messages.Send();
/// </code>
/// </example>
public void Send()
{
SmtpClient.DirectSendCollection(this);
}