When sending a mail to through godaddy server?

Question

 

error:

 

"Failure sending mail." 

 

A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 72.167.234.197:25

 

MailMessage Msg = new MailMessage();

MailAddress fromMail = new MailAddress("xxxx");

// Sender e-mail address.

Msg.From = fromMail;

// Recipient e-mail address.

Msg.To.Add(new MailAddress(Email));

// Subject of e-mail

Msg.Subject = "something";

Msg.Body = "This Sample";

Msg.IsBodyHtml = true;

SmtpClient mailClient = new SmtpClient("relay-hosting.secureserver.net", 25);

// Change your gmail user id and password for send email

NetworkCredential NetCrd = new NetworkCredential(xxxxx", "yyyyyyyy");

mailClient.UseDefaultCredentials = false;

mailClient.Credentials = NetCrd;

mailClient.EnableSsl = true;

mailClient.DeliveryMethod = SmtpDeliveryMethod.Network;

mailClient.Send(Msg);

 

help me out