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• SMTP Error    [ Reply ]

  I need some help to determine what is causing this issue. I find very little information about this exception on the Web.
  
  I receive the following error when trying to connect the the email server;
  
  "No connection could be made because the target machine actively refused it"
  
  
  The following Code Sample what I am using. the error occurs on s.connect(endPt);
  
  IPHostEntry IPhst = Dns.Resolve(SmtpServer);
  IPEndPoint endPt = new IPEndPoint(IPhst.AddressList[0], 25);
  Socket s= new Socket(endPt.AddressFamily, SocketType.Stream,ProtocolType.Tcp);
  
  System.Console.Write(IPhst);
  System.Console.Write(endPt);
  
  try
  {
  s.Connect(endPt);
  }
  catch (Exception e)
  {
  Console.WriteLine(e.Message);
  return false;
  }
  
  Thanks Tim

  Tim [ tbconrad ( at ) gmail dot com ], 2005-06-06 12:42:27 #

• Delete an attachment    [ Reply ]

  How can I delete the file from my disk which has been used as an attachment of a e-mail.
  It often indicates me that the file is currently being used by another application.

  caokai [ gcyx-022 ( at ) 163 dot com ], 2008-04-24 03:33:42 #

  • RE: Delete an attachment    [ Reply ]

    Hi,
    Off the top of my head, try calling .Finalize() on the MailMessage of SmtpClient class, for it to release the resources back to the OS.
    
    I'm assuming they are keeping a lock on the underlying file.
    
    Cheers!
    Dave

    dave wanta [ dave ( at ) advancedintellect dot com ], 2008-04-24 08:04:09 #

• need help    [ Reply ]

  i have made a web application. it works fine but when i try to run the program it is giving the following exception.
  A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host gas failed to respond
  
  the code i added is:
  string address = txt_emailid.Text;
  string[] host = (address.Split('@'));
  string hostname = host[1];
  
  IPHostEntry IPhst = Dns.Resolve(hostname);
  IPEndPoint endPt = new IPEndPoint(IPhst.AddressList[0], 25);
  Socket s = new Socket(endPt.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
  s.Connect(endPt);
  
  
  please trey to resolve the problem. it's a big problem for me.

  manasa [ manasa446 ( at ) gmail dot com ], 2009-04-07 03:00:45 #

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