The following code is giving me a timeout problem.,  no matter what I do I
can't send a piece of mail using .net2.0 System.Net.Mail.SmtpClient via port
465 and using ssl,  if however I try using outlook or outlook express it
works fine..

System.Net.Mail.MailMessage msgMail = new
System.Net.Mail.MailMessage("myemail@mydomain.com",
"testemail@mydomain.com", "subject", "message body");

SmtpClient smtp = new SmtpClient("smtp.postoffice.net", 465);

smtp.EnableSsl = true;

smtp.UseDefaultCredentials = false;

smtp.DeliveryMethod = SmtpDeliveryMethod.Network;

smtp.Credentials = new System.Net.NetworkCredential(myemail@mydomain.com,
"mypassword");

try

{

// the following line is where it times out

smtp.Send(msgMail);

}

catch (Exception ex)

{

}

I also did a trace log and this is what it looks like...

System.Net Information: 0 : [5260] Associating MailMessage#61058004 with
Message#63255637
System.Net Verbose: 0 : [5260] SmtpClient::.ctor(host=smtp.postoffice.net,
port=465)
System.Net Information: 0 : [5260] Associating SmtpClient#27931403 with
SmtpTransport#48953616
System.Net Verbose: 0 : [5260] Exiting SmtpClient::.ctor()  ->
SmtpClient#27931403
System.Net Verbose: 0 : [5260]
SmtpClient#27931403::Send(MailMessage#61058004)
System.Net Information: 0 : [5260]
SmtpClient#27931403::Send(DeliveryMethod=Network)
System.Net Information: 0 : [5260] Associating SmtpClient#27931403 with
MailMessage#61058004
System.Net Information: 0 : [5260] Associating SmtpTransport#48953616 with
SmtpConnection#55429074
System.Net Information: 0 : [5260] Associating SmtpConnection#55429074 with
ServicePoint#11280399
System.Net Information: 0 : [5260] Associating SmtpConnection#55429074 with
SmtpPooledStream#37855919
System.Net Error: 0 : [5260] Exception in the SmtpClient#27931403::Send -
Unable to read data from the transport connection: A blocking operation was
interrupted by a call to WSACancelBlockingCall.
System.Net Error: 0 : [5260]    at
System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32
size)
  at System.Net.DelegatedStream.Read(Byte[] buffer, Int32 offset, Int32
count)
  at System.Net.BufferedReadStream.Read(Byte[] buffer, Int32 offset, Int32
count)
  at System.Net.Mail.SmtpReplyReaderFactory.ReadLines(SmtpReplyReader
caller, Boolean oneLine)
  at System.Net.Mail.SmtpReplyReaderFactory.ReadLine(SmtpReplyReader
caller)
  at System.Net.Mail.SmtpReplyReader.ReadLine()
  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)
System.Net Verbose: 0 : [5260] Exiting SmtpClient#27931403::Send()