Published plans modeled
Free: $0 / month
- 100 emails of transactional emails included. Hard cap. Postmark does not allow overage on Free.
Basic 10K: $15 / month
- 10,000 emails of transactional emails included. $1.80 per 1,000 additional emails.
Price source: Postmark pricingVerified on 2026-08-15
Not included
- Only the Free and 10,000-email Basic price point are modeled; other volume points and the Pro, Platform, and custom tiers are excluded.
- Inbound email, message streams, users, sending domains, retention add-ons, dedicated IPs, DMARC monitoring, and other add-ons are not modeled.
- Taxes, negotiated rates, and custom high-volume pricing are not modeled.