Lettr vs Postmark
Everything Postmark does, and more
Postmark is known for reliable transactional email delivery, but Lettr combines that same reliability with a full-featured template builder, granular per-email analytics, and smart deliverability alerts — all in one platform.
Feature comparison
Per-email statistics
Track opens, clicks, bounces, and deliverability for every single email — not just aggregated metrics.
State-of-the-art template builder
Drag-and-drop editor with AI copy assistance, 200+ templates, and two-way Blade sync. No more wrestling with HTML tables.
Secure tracking domains
Custom tracking domains with full HTTPS support. Your brand, your domain — no third-party redirects leaking data.
Secure storage with custom domains
Store email content securely on your own custom domain. Full data ownership with encrypted storage and EU hosting options.
Smart deliverability alerts
Get notified instantly when bounce rates spike, domains get blocklisted, or reputation drops — before it impacts your users.
AMP for Email
Send interactive, dynamic emails with AMP — let recipients take action, browse content, and respond directly inside their inbox.
Learn morePricing comparison
Monthly pricing at different email volumes. Save up to 75% compared to Postmark.
Switch from Postmark in minutes
Swap your mail driver, verify your domain, and start sending. No complex migration scripts, no downtime.