مشکل در ارسال ایمیل

[farshad_kocholo]

با سلام ،
مشکل این کد برای ارسال ایمیل کجاست؟



protected void Button1_Click(object sender, EventArgs e)
{
try

{
System.Net.Mail.MailMessage Email = new System.Net.Mail.MailMessage();
Email.From = new System.Net.Mail.MailAddress("mymail@yahoo.com");
Email.To.Add(new System.Net.Mail.MailAddress(TxtTo.Text));
Email.Subject = TxtSubject .Text;
Email.Body = MailBody(TxtBody .Text);
Email.BodyEncoding = System.Text.Encoding.UTF8;
Email.IsBodyHtml = true;
System.Net.Mail.SmtpClient SmtpSender = new System.Net.Mail.SmtpClient ("127.0.0.1");
SmtpSender.Send(Email);
lblResult.Text = "ںیêیé ں©«ںé ¬§";
}
catch (Exception ex)
{
lblResult.Text = ex.Message;
}

}
private string MailBody(string Value)
{
System.Collections.ArrayList BodyLines = new ArrayList();
BodyLines.AddRange(Value.Split(Environment.NewLine .ToCharArray()));
string Body = string.Empty;
for (int i = 0; i <= BodyLines.Count - 1; i++)
Body += BodyLines[i] + "<br/>";
return Body;
}