Problem sending SMTP mail form my smtp server using asp.net

ASP.NET 2.0 Code:
 
string emailMessage = "Hi,\n\nHere is your new password  . \n\n";
 
emailMessage = emailMessage + "Email Address: " + email + " \n\n";
 
emailMessage = emailMessage + "Password: " + pass + " \n\n";
 
emailMessage = emailMessage + "Regards, \n\n";
 
emailMessage = emailMessage + "The IT Team \n\n";
 
SmtpClient newMail = new SmtpClient();
 
newMail.Host = ConfigurationManager.AppSettings["smtpServer"];
 
newMail.Port = 25;
 
newMail.Send(ConfigurationManager.AppSettings["emailFrom"], email, "Password Reset", emailMessage);