Managed C++/CLI - Send EML File¶

#include "stdafx.h"

using namespace System;
using namespace System::IO;
using namespace EASendMail;

int main(array<System::String ^> ^args)
{
    SmtpMail ^oMail = gcnew SmtpMail("TryIt");
    SmtpClient ^oSmtp = gcnew SmtpClient();

    // Set sender email address, please change it to yours
    oMail->From = "test@emailarchitect.net";

    // Set recipient email address, please change it to yours
    oMail->To = "support@emailarchitect.net";

    // Your SMTP server address
    SmtpServer ^oServer = gcnew SmtpServer("smtp.emailarchitect.net");

    // User and password for ESMTP authentication, if your server doesn't require
    // User authentication, please remove the following codes.
    oServer->User = "test@emailarchitect.net";
    oServer->Password = "testpassword";

    // If your smtp server requires SSL connection, please add this line
    // oServer->ConnectType = SmtpConnectType::ConnectSSLAuto;

    try
    {
        // Load EML file to a binary data
        FileStream ^fs = gcnew FileStream("c:\\my folder\\test.eml",
            FileMode::Open, FileAccess::Read, FileShare::Read);

        array<Byte> ^data = gcnew array<Byte>(fs->Length);
        fs->Read(data, 0, fs->Length);
        fs->Close();

        // Forward Eml file with 100% original data
        Console::WriteLine("start to send email from Managed C++...");
        oSmtp->SendRawMail(oServer, data, oMail->From, oMail->To);
        Console::WriteLine("email was sent successfully!");
    }
    catch (Exception ^ep)
    {
        Console::WriteLine("failed to send email with the following error:");
        Console::WriteLine(ep->Message);
    }

    return 0;
}