Sending mail in an unmanaged VC++ application

An oft posted question in NGs is how to send mail from an unmanaged VC++ application. If you are using VC++ 2003, then you can use the ATL7 mailing classes. I list below some bare-minimum steps to send a mail out, but you might want to look up further documentation on MSDN.

• Include the required header file

  #include <atlsmtpconnection.h>

• Call CoInitialize

  CoInitialize(0);

• And write code similar to below snippet

  CMimeMessage msg;
  
  msg.SetSender(strSender);
  msg.AddRecipient(strRecepient);
  
  /*  Optional
  
  msg.SetSubject(strSubject);
  msg.AddText(strBody);
  msg.AttachFile(strAttachFile);
  
  */
  
  CSMTPConnection conn;
  conn.Connect(server);
  BOOL bSuccess = conn.SendMessage(msg);
  conn.Disconnect();

• Call CoUninitialize

  CoUninitialize();

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