[C#] Sending Mail using GMail

public void sendMail(string username, string password, string recipient, string subject, string body)
				{
				    System.Net.Mail.MailAddress toAddress = new System.Net.Mail.MailAddress(txtTo.Text);
					System.Net.Mail.MailAddress fromAddress = new System.Net.Mail.MailAddress(txtFrom.Text);
					System.Net.Mail.MailMessage MyMail = new System.Net.Mail.MailMessage(fromAddress, toAddress);
					System.Net.Mail.SmtpClient mClient = new System.Net.Mail.SmtpClient();
					mClient.Port = 587;
					MyMail.Body = body;
					mClient.EnableSsl = true;
					MyMail.Subject = subject;
					mClient.UseDefaultCredentials = false;
					mClient.Credentials = new System.Net.NetworkCredential(username, password);
					mClient.Host = "smtp.gmail.com;
					mClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
					mClient.Timeout = int.MaxValue;
					mClient.Send(MyMail);
				}