Postmark SMTP: Quick and easy email delivery

Setting up your web application to send emails using SMTP couldn’t be easier. It’s as simple as copying some credentials into a config file and you’re ready to send.

Say goodbye to email deliverability issues

People always say “don’t set it and forget it” but we actually strive to help you do just that. Once you integrate with Postmark, you can count on us to get your emails delivered fast and reliably—so you never have to worry about email delivery issues again.

Why choose Postmark?

  • Unmatched deliverability

    Stellar deliverability

    We believe that every customer deserves great delivery. It’s just part of the deal when you use Postmark.

  • Real-time analytics

    Actionable email insights

    Whether it’s measuring email opens and clicks or gathering delivery insights, Postmark’s real-time analytics have got you covered.

  • Top-notch support as a standard

    Top-notch support as a standard

    You will never be charged extra for great support. We’re always here to help whether it’s through email, live-chat, or a 1-on-1 call.

  • Globally distributed SMTP service

    Globally distributed SMTP service

    We maintain endpoints in several AWS Regions around the world. We route to the closest endpoints to your servers for the fastest response times possible, resulting in very low latency.

  • Secure and GDPR friendly

    Secure and GDPR friendly

    We value your trust and work hard to protect your information—and that of your customers. Postmark is GDPR compliant.

  • Email authentication made easy

    Email authentication made easy

    We guide you through setting up DMARC and SPF to help protect your domain from spoofing.

Developer friendly SMTP documentation

Postmark’s clear and concise documentation makes it easy to start sending using SMTP. We cover advanced features like tags and custom metadata, as well as common pitfalls so you can troubleshoot any issues..

Postmark ❤️

It was incredibly easy to setup Postmark. In under 10 minutes I had the first test working and rolling it out to production was just as easy.

Dave Teare

Dave Teare

Founder at 1Password

Ready to get started?

Join thousands of businesses that already trust their email delivery to Postmark.