请教高手,急...

Question

System.Net.Mail.MailMessage mailMessage = new System.Net.Mail.MailMessage(From, TO, Subject, Body);
mailMessage.BodyEncoding = System.Text.Encoding.UTF8;
mailMessage.IsBodyHtml = true;System.Net.Mail.SmtpClient smtpClient = new System.Net.Mail.SmtpClient(SmtpServer);
        
        smtpClient.UseDefaultCredentials = false;
        smtpClient.Credentials = new System.Net.NetworkCredential(username, password);        
        smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
        smtpClient.Send(mailMessage);

Answer 1

我的问题是"服务器拒绝了发件人地址。服务器响应为: 503 Error: need EHLO and AUTH first ! "
唉,同病相怜啊..