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Im getting this error on trying to send mail using SMTP with gmail.
The email cannot be sent  System.Net.Mail.SmtpException: Failure sending mail. ---> System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 74.125.127.108:25 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 WebApplication3.WebForm1.Page_Load(Object sender, EventArgs e) in C:\Documents and Settings\Noah Soft\My Documents\Visual Studio 2008\Projects\WebApplication3\WebApplication3\WebForm1.aspx.cs:line 42 

CAN ANY1 HELP THIS
Posted
Updated 10-Jan-12 23:45pm
v2
Comments
Selva K 11-Jan-12 5:40am    
Use <pre> tags...

SmtpClient client = new SmtpClient();
      client.DeliveryMethod = SmtpDeliveryMethod.Network;
      client.EnableSsl = true;
      client.Host = "smtp.gmail.com";
      client.Port = 587;

      // setup Smtp authentication
      System.Net.NetworkCredential credentials =
          new System.Net.NetworkCredential("gmailusername@gmail.com", "gmailpassword");
      client.UseDefaultCredentials = false;
      client.Credentials = credentials;

      MailMessage msg = new MailMessage();
      msg.From = new MailAddress("gmailusername@gmail.com");
      msg.To.Add(new MailAddress("xyz@gmail.com"));
      msg.Subject = "This is a test Email subject";
      msg.IsBodyHtml = true;
      msg.Body = string.Format("<html><head></head><body>Test HTML Email</body>");
      try
      {
          client.Send(msg);
          //lblMsg.Text = "Your message has been successfully sent.";
      }

      catch (Exception ex)
      {
          //lblMsg.ForeColor = Color.Red;
          //lblMsg.Text = "Error occured while sending your message." + ex.Message;

      }
 
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