Postmark Pricing
Every Postmark plan with its monthly and annual price, what it costs for common team sizes, and a calculator to estimate your own monthly cost before you buy.
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Plans and prices
| Plan | Monthly billing | Annual billing (per month) | Per user or flat | Users | Free tier |
|---|---|---|---|---|---|
| Free | Free | Free | — | No limit listed | Yes |
| Basic | $15/mo | Not listed | Flat | No limit listed | No |
| Pro | $16.5/mo | Not listed | Flat | No limit listed | No |
| Platform | $18/mo | Not listed | Flat | No limit listed | No |
Prices last updated November 2026.
What Postmark costs by team size
The plan that fits each team size, billed monthly, before add-ons and usage charges.
Add-ons
| Add-on | Monthly billing | Annual billing (per month) | Charged |
|---|---|---|---|
| Custom activity retentionLonger activity retention. Starting price shown; requires the Pro plan or higher. | $5 | Not listed | Flat |
| Dedicated IPRequires the Pro plan or higher and at least 300,000 emails a month. | $50 | Not listed | Per IP |
| DMARC monitoringDMARC report monitoring, available on all plans. | $14 | Not listed | Per domain |
Usage pricing
| Metric | Plan | Included per month | Price after that |
|---|---|---|---|
| Overage emails | Pro | 10,000 | $1.3 per 1,000 emails |
| Overage emails | Platform | 10,000 | $1.2 per 1,000 emails |
| Overage emails | Basic | 10,000 | $1.8 per 1,000 emails |
Postmark Pricing Calculator
Estimate your team's real monthly and annual cost based on seats, billing cycle, and add-ons.
Cost breakdown
Estimated from the vendor's published prices, last updated November 2026. Actual costs may vary based on negotiated contracts. How we collect prices
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Use this estimate to align with your team, then start a trial or subscription.
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Postmark pricing FAQs
No. Postmark currently offers monthly billing only, and unused emails do not roll over.
Yes, Postmark has a free plan: Free.
Postmark lists 4 plans, including a free plan. The cheapest paid plan is Basic, at $15/mo billed monthly.
Postmark is free for 10 users on its Free plan.
No. Every Postmark paid plan with a listed price is a flat monthly price, whatever the team size.
Yes. Postmark sells add-ons on top of its plans: Custom activity retention, Dedicated IP and DMARC monitoring. It also charges by usage for Overage emails, past what the plan includes.