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Email

Postmark

Best-in-class deliverability for transactional email.

Visit PostmarkVerify on pricing page
Free tier

100 emails/mo free trial — paid from there

  • Effectively trial-only at the free tier; rated low for that reason.
  • If deliverability is critical (password resets, receipts), worth the spend.
Alternatives

Drop-in alternatives

Solve a similar problem if you outgrow Postmark's free tier — or just want a second option in your back pocket.

Top pick

Resend

Developer-first transactional email with React Email components.

3k emails/mo, 100/day, 1 verified domain

Email2026-05

Last verified 2026-05 · free-tier numbers shift — confirm at the pricing page before relying on a quota for a launch decision.