Using Object Model in C#

void CFedeSampleDlg::Send(void)
{
IEmailSenderPtr FEDE;

if (FAILED(CoInitialize(NULL)))
return;

IMessagePtr Message;

try
{
FEDE.CreateInstance("EmailSender.EmailSender");
Message.CreateInstance("EmailSender.Message");
}
catch(char * str){}

BSTR strAbout;

long lResult;

char* from,
char* to;
char* subject;
char* body;

from = GetChar(this->m_From);
to = GetChar(this->m_To);
subject = GetChar(this->m_Subject);
body = GetChar(this->m_Body);

IMessagePtr msg;
msg.CreateInstance("EmailSender.Message");

msg->Putfrom(from);
msg->Putto(to);
msg->Putsubject(subject);
msg->PutMimeFormatted(false);
msg->PuttextBody(body);

TCHAR szTemp[32];
IResultPtr result = FEDE->Send(msg, to);

this->m_Message = result->GetSMTPMessage().GetBSTR();
this->m_Code = result->GetSMTPCode();
this->m_Log = result->GetLog().GetBSTR();

CoUninitialize();
}

Troubleshoot

1. Register Object Model

C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\regasm C:\Program Files\Lencom Software Inc\Fast E-Delivery Engine\EmailSender.dll /codebase