Postmark
A transactional email service focused on deliverability—built for critical notifications.
Not for: Marketing email, newsletters, or large promotional broadcast campaigns.
- Product teams that prioritize transactional deliverability at moderate send volumes
- Postmark handles transactional email only—no marketing blasts—with strong reputation for deliverability and speed
- Sold in monthly email bundles, ideal for password resets and order confirmations where inbox placement matters
No hard regional signup block; international card required for billing. Fine for domestic individuals though costs run higher.
Can China-based solo developers sign up directly?
No hard regional signup block; international card required for billing. Fine for domestic individuals though costs run higher.
What payment or payout methods matter most?
The most relevant methods here are PayPal. Confirm the exact flow for your use case on the checkout page and billing docs.
Does it offer a free tier or trial?
There is no long-term free tier. You can test it before paying. From ~$15/month including 10,000 emails; overage billed per additional send.
What is it best for?
Product teams that prioritize transactional deliverability at moderate send volumes.
Is there an affiliate program worth considering?
Affiliate program with referral links—well suited for technical blogs.