Postmark

What is Postmark?

Extremely fast delivery to your app emails

Postmark delivers your transactional email to customers on time, always.

All the things you love...

• Fast email delivery
• 45 days of history and complete content statistics
• Detailed tracking of opening, click and link
• A qualified and responsive support team
• clear ocution and migration guides

We are a partner, not just a provider

We're profitable, privately owned, and we're in it in the long run. Since 2010, we've delivered billions of emails to companies of all sizes.

Getting to the inbox is not enough

Your customers expect emails to arrive immediately – not eventually. We constantly monitor our delivery speeds and share data publicly.

Great support as standard

The qualified support team is always available to help, whether through individual calls, webinars, email, live chat or one of our many help documents and guides.

Start shipping in minutes

With API libraries for virtually every programming language you can imagine, Postmark fits perfectly into any stack.

System Requirements

Supported operating systems

Mac OS X 10.5 x (Leopard), Mac OS X 10.6 (Snow Leopard), Mac OS X 10.7 (Lion), Mac OS X 10.7 (Mountain Lion), OS X 10.9 (Mavericks) and Mac OS X 10.10 (Yosemite)

Hardware requirements

Memory - 1 GB of RAM and more

Free disk space - 50 MB

System type - 32-bit and 64-bit OS