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)
{
    try
    {
        SmtpMail ^oMail = gcnew SmtpMail("TryIt");

        // 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 = gcnew AddressCollection("support@emailarchitect.net");

        // 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();

        // 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";

        // Most mordern SMTP servers require SSL/TLS connection now.
        // ConnectTryTLS means if server supports SSL/TLS, SSL/TLS will be used automatically.
        oServer->ConnectType = SmtpConnectType::ConnectTryTLS;

        // If your SMTP server uses 587 port
        // oServer->Port = 587;

        // If your SMTP server requires SSL/TLS connection on 25/587/465 port
        // oServer->Port = 25; // 25 or 587 or 465
        // oServer->ConnectType = SmtpConnectType::ConnectSSLAuto;

        // Forward Eml file with 100% original data
        Console::WriteLine("start to send email from Managed C++...");

        SmtpClient ^oSmtp = gcnew SmtpClient();
        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;
}