asp.net sending mail from google apps account not working

[HansPeren]

im trying to send an email using my google apps account,and i keep getting this error:The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Requiredwhen i try the same code with a normal gmail account this works.\[code\] var msg = new MailMessage(); msg.IsBodyHtml = true; msg.Subject = "subject here"; msg.Body = "body here"; msg.To.Add("email adress here"); var client = new SmtpClient(); client.EnableSsl = true; client.Send(msg);\[/code\]