How to use Gmail to send emails

Using system. Web. mail;

// Mail Initialization
Mailmessage mailmsg = new mailmessage ();
Mailmsg. From = "test@test.com ";
Mailmsg. To = "desti@126.com ";
// Mailmsg. Cc = cc;
// Mailmsg. bcc = BCC;
Mailmsg. Subject = "send mail use Gmail ";
Mailmsg. bodyformat = mailformat. text;
Mailmsg. Body = "Hello here comes the sun ";
Mailmsg. Priority = mailpriority. High;
// SMTP Configuration
Smtpmail. smtpserver = "smtp.gmail.com ";
//-Smtp.gmail.com use SMTP authentication
Mailmsg. Fields. Add ("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1 ");
Mailmsg. Fields. Add ("http://schemas.microsoft.com/cdo/configuration/sendusername", "yourgmailaddress ");
Mailmsg. Fields. Add ("http://schemas.microsoft.com/cdo/configuration/sendpassword", "youpassword ");
//-Smtp.gmail.com use port 465 or 587
Mailmsg. Fields. Add ("http://schemas.microsoft.com/cdo/configuration/smtpserverport", "465 ");
//-Smtp.gmail.com use starttls (some call this SSL)
Mailmsg. Fields. Add ("http://schemas.microsoft.com/cdo/configuration/smtpusessl", "true ");
// Try to send mail
Try
{
Smtpmail. Send (mailmsg );
Response. Write ("Send success ");
}
Catch (exception ex)
{
Response. Write (ex. Message );
}