Postmark Pricing
Starting price
$15/month
Pricing model
Paid
Free tier
Yes
Free trial
No
Plans
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | $0 | month | 100 emails per month; No overages; Never expires |
| Basic | $15 | month | 10,000 emails per month; $1.80 per 1,000 overage emails; 45-day data retention |
| Pro | $16.5 | month | 10,000 emails per month; $1.30 per 1,000 overage emails; Customizable retention up to 365 days |
| Platform | $18 | month | 10,000 emails per month; $1.20 per 1,000 overage emails; Unlimited custom domains |
Figures are the vendor's published prices. Unknown values show as “—”. Price-history tracking is not yet available for this tool. Price verified 2026-09-30. Last updated 2026-10-08.
True cost
True cost calculator
| Plan | Listed | Seat basis | Monthly · 5 seats | Annual · 5 seats |
|---|---|---|---|---|
| Free | $0/month | flat | $0 | $0 |
| Basic | $15/month | flat | $15 | $180 |
| Pro | $16.5/month | flat | $17 | $198 |
| Platform | $18/month | flat | $18 | $216 |
Estimate from published prices. Per-seat plans scale with seats; flat plans don't; plans with included seats charge the base until you exceed them, then add the per-seat overage where published. Monthly/annual come from each plan's billing period. Taxes and add-ons excluded.
Postmark's starting price ($15) is 84% below the Email & Messaging Marketing average of $91.
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