发送电子邮件时出错

问题描述

错误消息:

Error message:

System.Net.Mail.SmtpException: Failure sending mail. ---> System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 67.228.109.8:26 at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress) at System.Net.Sockets.Socket.InternalConnect(EndPoint remoteEP) at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception) --- End of inner exception stack trace --- at System.Net.ServicePoint.GetConnection(PooledStream PooledStream, Object owner, Boolean async, IPAddress& address, Socket& abortSocket, Socket& abortSocket6, Int32 timeout) at System.Net.PooledStream.Activate(Object owningObject, Boolean async, Int32 timeout, GeneralAsyncDelegate asyncCallback) at System.Net.PooledStream.Activate(Object owningObject, GeneralAsyncDelegate asyncCallback) at System.Net.ConnectionPool.GetConnection(Object owningObject, GeneralAsyncDelegate asyncCallback, Int32 creationTimeout) at System.Net.Mail.SmtpConnection.GetConnection(String host, Int32 port) at System.Net.Mail.SmtpTransport.GetConnection(String host, Int32 port) at System.Net.Mail.SmtpClient.GetConnection() at System.Net.Mail.SmtpClient.Send(MailMessage message) --- End of inner exception stack trace --- at System.Net.Mail.SmtpClient.Send(MailMessage message) at html_mail.Page_Load(Object sender, EventArgs e)

我的代码如下...

My code is as follows...

//web .config code

 <system.net>
    <mailSettings>
      <smtp from="[email protected]" >
        <network host="mail.enefinder.com" port="26" userName="username" password="password"/>
      </smtp>
    </mailSettings>
  </system.net>

//.........

MailMessage mail = new MailMessage();
            SmtpClient SmtpServer = new SmtpClient("mail.enefinder.com");
            mail.From = new MailAddress("[email protected]");
            mail.To.Add("[email protected]");
            mail.Subject = "enefinder";
            mail.Body = "mail with attachment";

            //System.Net.Mail.Attachment attachment;
            //attachment = new System.Net.Mail.Attachment("you attachment file");
            //mail.Attachments.Add(attachment);

            SmtpServer.Port = 26;
            SmtpServer.Credentials = new System.Net.NetworkCredential("username", "password");
            SmtpServer.EnableSsl = true;

            SmtpServer.Send(mail);
            Response.Write("mail send");
        }
        catch (Exception ex)
        {
            Response.Write(ex.ToString());
        }

Thanks in advance!

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