postmark
3 articles
How to Send Bulk Email with Postmark's New Bulk API
Postmark's Bulk API sends one message to thousands of recipients in a single call. Here's how to set it up, what it costs, and where it still falls short.
Postmark vs SendGrid: Which Transactional Email API in 2026?
Postmark vs SendGrid compared for 2026: pricing, deliverability, API design, and the Twilio merge. See which transactional email service fits your app.
Postmark's KumoMTA Migration: Faster Queue Times and What They Mean for Your Stack
Postmark migrated its sending engine to KumoMTA in 2026. Here's what changed under the hood, what the queue-time numbers mean, and how Postmark now stacks up.