C# 做的邮箱发送功能 报错

Question

mail.From = new MailAddress(from, fromuser);                mail.Subject = "dsfdsf";                mail.Body ="sdfsdf";                mail.Priority = pri;                              SmtpClient cliect = new SmtpClient(smtpserver);                cliect.Timeout = Convert.ToInt32(timeout);                cliect.Port = Convert.ToInt32(smtpport);                cliect.DeliveryMethod = SmtpDeliveryMethod.Network;                cliect.Credentials = new System.Net.NetworkCredential(smtpuser, smtppass);                cliect.UseDefaultCredentials = true;                cliect.EnableSsl =true;                cliect.Send(mail);

Answer 1

试试 cliect.EnableSsl = false;