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8.6

SMTP problem

Asked by craigdev in C# Programming Language

I'm using System.Net.Mail for sending email. The project is a windows service and it has just been moved to a new server. I'm getting the exception below. Could anyone tell me why I might be able to send from one server and not the other?

The new server can ping the smtp server. I'm an absolute newbie with smtp. Thanks. 
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Service cannot be started. System.Net.Mail.SmtpException: Failure sending mail. ---> System.IO.IOException: Unable to read data from the transport connection: net_io_connectionclosed.
   at System.Net.Mail.SmtpReplyReaderFactory.ProcessRead(Byte[] buffer, Int32 offset, Int32 read, Boolean readLine)
   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)
   --- End of inner exception stack trace ---
   at System.Net.Mail.SmtpClient.Send(MailMessage message)
   at Euromoney.TrialManager.DataProcessor.Common.WriteException(String title, Exception ex)
   at Euromoney.TrialManager.DataProcessor.Default.handl...
 
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[+][-]11/28/08 03:46 AM, ID: 23054945Accepted Solution

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Zone: C# Programming Language
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Solution Provided By: amx
Participating Experts: 3
Solution Grade: A
 
[+][-]11/28/08 03:46 AM, ID: 23054947Assisted Solution

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[+][-]12/11/08 09:52 AM, ID: 23150547Assisted Solution

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