High-Throughput SMTP Relay & Email API Built for Primary Inbox Delivery

# Send mission-critical transactional OTP via PhotonRelay API
curl -X POST https://api.photonconsole.com/v1/send \
  -H "Authorization: Bearer YOUR_PHOTON_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "from": "security@yourbrand.com",
    "to": ["user@example.com"],
    "subject": "Your Verification Code: 984210",
    "html": "<p>Your login code is <strong>984210</strong>.</p>"
  }'

const nodemailer = require('nodemailer');

// Standard RFC 5321 SMTP connection to PhotonRelay
const transporter = nodemailer.createTransport({
  host: 'smtp.photonrelay.com',
  port: 587,
  secure: false, // STARTTLS
  auth: {
    user: process.env.PHOTON_USER,
    pass: process.env.PHOTON_PASS
  }
});

await transporter.sendMail({
  from: '"Auth Center" <auth@yourbrand.com>',
  to: 'user@example.com',
  subject: 'One-Time Password (OTP)',
  html: '<b>Your verification code is 492104</b>'
});

import smtplib
from email.mime.text import MIMEText

# Connect to PhotonRelay low-latency cluster
server = smtplib.SMTP('smtp.photonrelay.com', 587)
server.starttls()
server.login('YOUR_PHOTON_USER', 'YOUR_PHOTON_PASS')

msg = MIMEText('Your password reset link is ready.', 'plain')
msg['Subject'] = 'Reset Your Password'
msg['From'] = 'support@yourbrand.com'
msg['To'] = 'user@example.com'

server.send_message(msg)
server.quit()

use PHPMailer\PHPMailer\PHPMailer;

$mail = new PHPMailer(true);
$mail->isSMTP();
$mail->Host       = 'smtp.photonrelay.com';
$mail->SMTPAuth   = true;
$mail->Username   = 'YOUR_PHOTON_USER';
$mail->Password   = 'YOUR_PHOTON_PASS';
$mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;
$mail->Port       = 587;

$mail->setFrom('notifications@yourbrand.com', 'Account Alerts');
$mail->addAddress('user@example.com');
$mail->Subject = 'Your Security Verification Code';
$mail->Body    = 'Your OTP code is 782194';
$mail->send();

// .env (Drop-in replacement for SendGrid, Mailgun, or SES)
MAIL_MAILER=smtp
MAIL_HOST=smtp.photonrelay.com
MAIL_PORT=587
MAIL_USERNAME=YOUR_PHOTON_USER
MAIL_PASSWORD=YOUR_PHOTON_KEY
MAIL_ENCRYPTION=tls
MAIL_FROM_ADDRESS="support@yourbrand.com"

// Send via standard Laravel notification
Mail::to($user)->send(new OrderReceiptMail($order));