如何正确设置IIS5的SMTP服务以从开发环境发送电子邮件?

I am trying to send email from an ASP.NET web application using the SmtpClient class. So far I have granted relay access to 127.0.0.1. I am trying to send test emails to my gmail account. The EML files get stuck in the mailroot's queue folder. My WinXP firewall is disabled. I dont get any exceptions in the code but the emails are never delivered to the destination address. I also tried other email accounts.I am trying to send email from an ASP.NET web a