ASP.Net发送邮件如何配置
代码:
MailMessage mailObj = new MailMessage();
mailObj.From = this.txtfrom.Text;
mailObj.To = this.txtto.Text;
mailObj.Subject = "标题";
mailObj.Body = "邮件内容";
mailObj.BodyFormat = MailFormat.Html;
mailObj.Priority = MailPriority.High;
mailObj.Attachments.Add(new MailAttachment("D:\\新建 文本文档.txt"));
SmtpMail.Send(mailObj);
运行后出现:
“SendUsing”配置值无效。
这个错误,请问该如何配置呢?