DEV Community: Chulyong Lee The latest articles on DEV Community by Chulyong Lee (@epst). https://dev.to/epst https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4127871%2Fc40eb9c0-c740-48bc-9bdc-be2cc6d37dfb.png DEV Community: Chulyong Lee https://dev.to/epst en EPST - Email me whenever user signs up or makes a payment on my website. Chulyong Lee Wed, 16 Sep 2026 10:48:14 +0000 https://dev.to/epst/epst-email-me-whenever-user-signs-up-or-makes-a-payment-on-my-website-2h41 https://dev.to/epst/epst-email-me-whenever-user-signs-up-or-makes-a-payment-on-my-website-2h41 <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fmv21cm9lnsl9znn1gor3.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Farticles%2Fmv21cm9lnsl9znn1gor3.png" alt=" " width="800" height="800"></a></p> <p>“Email me whenever someone signs up or makes a payment on my website.”</p> <p>“Send a welcome email to every new signup.”</p> <p>“Send this newsletter to my customer list.”</p> <p><strong># EPST — email for your apps and AI agents.</strong></p> <p>I built EPST while developing my own AI agents.</p> <p>Giving them email access turned out to be really useful for collaboration and service notifications, so I wanted to share that experience with other developers.</p> <p>You get your own email domain, REST API and MCP access with one API key, and a generous free plan. The idea is simple: spend less time handling repetitive email tasks and more time building.</p> <p>I'd love to hear what you'd use it for. <a href="https://epst.cc" rel="noopener noreferrer">https://epst.cc</a></p> <p>Using OpenClaw? Install from ClawHub:<br> <code>openclaw plugins install clawhub:@epst/epst --accept-capabilities</code></p> <p>Then follow the setup guide to connect your EPST API key and enable the integration.</p> ai mcp openclaw productivity