public IResult <string> MailTest()
{
MailInfo mailInfo = new MailInfo();
mailInfo.Content = "hello";
mailInfo.OperaterID = "yh";
mailInfo.OperaterIP = NetHelper.GetClientIP(this.HttpContext);
mailInfo.Title = "this is test mail";
mailInfo.ToMail = "*****@*****.**";
NetHelper.AsyncSendEmail(mailInfo, mailOption);
return(this.Success("ok"));
}