Transactional Email That Actually Lands

Enterprise-grade email delivery built for modern applications. Send transactional emails with confidence using our SMTP relay, REST API, and advanced deliverability tools.

email.php

<?php
require_once 'vendor/autoload.php';

use SMTPPro\Client;

$client = new Client('your-api-key');

$message = $client->messages()->send([
    'from' => 'noreply@yourdomain.com',
    'to' => 'user@example.com',
    'subject' => 'Welcome!',
    'html' => '<h1>Thanks for signing up!</h1>'
]);

echo "Email sent! ID: " . $message->id;
?>

Verify domain

Add DNS records to verify your sending domain and enable SPF, DKIM, and DMARC authentication.

Configure SMTP/API

Use our SMTP relay or REST API with your application using simple credentials.

Send test

Send your first email and monitor delivery with real-time analytics and webhooks.