Postmark is an email delivery service that ensures speedy delivery of transactional and promotional emails by routing them through different email infrastructures, protecting deliverability and providing in-depth insights into every email and recipient. The company was founded by Natalie and Chris Nagele after they encountered a problem with email visibility while deploying their app Beanstalk, and has since become a popular tool for thousands of customers to automate their email workflows. With features like content-ready email templates and troubleshooting tools, Postmark helps businesses send reliable and engaging emails, and can be integrated with other apps like Zapier to further automate workflows.