Free up to 3,000 emails/mo — no credit card

Transactional and marketing
email. No hidden fees.

Email API, SMTP relay, and campaigns — with unlimited contacts, domains, and team seats on every plan.

Start Free — 3,000 emails/mo See how it works

No credit card required · Unlimited contacts, domains & team seats

Free tier

3,000

emails per month, forever free. No credit card, no expiry.

Get started free

Built-in warm-up

Inbox from day one.

Automatic IP warm-up so your first sends land in inbox, not spam.

See how it works

Deliverability

99% inbox placement.

2 IPs, automatic warm-up, and real-time bounce tracking on every plan.

Start sending free

For developers

Start sending
in minutes.

Simple API and SDKs for every language. Drop into your stack and send your first email in under 5 minutes.

index.js

Ready to integrate?

Free forever up to 3,000 emails/month. No credit card.

View full docs Start free

SMTP Relay

Zero config.
Drop right in.

Works with any framework or library that supports SMTP. Just swap the host and you're sending.

✓ Works with Nodemailer, PHPMailer, ActionMailer, etc.
✓ TLS on port 587, SSL on port 465
✓ Your API key is both username and password
✓ Real-time delivery logs and bounce tracking

SMTP docs Get your credentials

smtp-config.js

// Works with any SMTP-compatible library

// ── Nodemailer (Node.js)
const transporter = nodemailer.createTransport({
  host: 'smtp.sendcorex.com',
  port: 587,
  secure: false,
  auth: {
    user: 'YOUR_API_KEY',
    pass: 'YOUR_API_KEY',
  },
});

await transporter.sendMail({
  from: '"Your App" <[email protected]>',
  to:   '[email protected]',
  subject: 'Welcome!',
  html: '<h1>You are in.</h1>',
});

// ── PHPMailer
$mail->Host     = 'smtp.sendcorex.com';
$mail->SMTPAuth = true;
$mail->Username = 'YOUR_API_KEY';
$mail->Password = 'YOUR_API_KEY';
$mail->SMTPSecure = 'tls';
$mail->Port = 587;

PRICING PHILOSOPHY

Included in every plan.
Others charge extra.

Based on publicly available plans, 2026. "Others" = industry average across major ESP providers.

Transactional and marketingemail. No hidden fees.

Inbox from day one.

99% inbox placement.

Start sendingin minutes.

Zero config.Drop right in.

Campaigns thatconvert.

Included in every plan. Others charge extra.

Transactional and marketing
email. No hidden fees.

Start sending
in minutes.

Zero config.
Drop right in.

Campaigns that
convert.

Included in every plan.
Others charge extra.