Product updates, engineering deep-dives, and tutorials from the PostaSend team.
After months of private beta, PostaSend is officially open. Here is why we built it, what makes it different, and how you can start sending transactional email today, free, no credit card required.
Three ways to get started, npm package, REST API, or SMTP relay. Pick the one that fits your stack and have email sending live before your next coffee break.
A code-first walkthrough covering welcome emails, OTP delivery, invoice attachments, and webhook listeners, everything a production Node.js app needs from its email layer.
Time-sensitive OTPs in the spam folder are a conversion killer. We break down the real causes, SPF gaps, sending patterns, subject line triggers, and the exact fixes that move you to the inbox.
Bounce handling, complaint processing, suppression lists, and IP reputation, explained without jargon. Here is what happens behind the scenes every time you call client.emails.send().
An honest comparison of the top transactional email APIs. We look at pricing, onboarding speed, delivery performance, and multi-tenant support, so you can choose with confidence.