Postmark Pricing 2026: What You Pay
Postmark’s official 2026-10-21 capture in USD lists a free Developer plan with 100 emails every month, Basic at $15.00/mo, Pro at $16.50/mo, and Platform at $18.00/mo — each starting at 10,000 emails/month with overage rates of $1.80, $1.30, and $1.20 per 1,000 extra emails respectively.
Captured USD prices (plans and email bands)
| Plan | Captured monthly price | Starting emails | Extra emails | Captured scope |
|---|---|---|---|---|
| Developer (Free) | $0.00/mo | 100 emails/month | No overages allowed | Never expires; testing integrations, evaluating deliverability, low-volume side projects |
| Basic | $15.00/mo | 10,000 emails/month | $1.80 per 1,000 | 45-day retention; 5 custom sending domains; unlimited emails/day; detailed analytics |
| Pro | $16.50/mo | 10,000 emails/month | $1.30 per 1,000 | Retention up to 365 days (45-day default); 10 domains; unlimited emails/day; inbound processing |
| Platform | $18.00/mo | 10,000 emails/month | $1.20 per 1,000 | Retention up to 365 days; unlimited custom domains; unlimited emails/day; inbound processing |
Captured plan boundaries
| Captured boundary | Captured scope |
|---|---|
| Free Developer plan | 100 emails every month, never expires or runs out, no overages allowed |
| Trial | Free trial with no credit card required |
| Dedicated IPs | Available to customers sending 300,000 emails per month or more; Pro plans or higher only |
| Custom activity retention | Starts at $5/month; Pro plans or higher only; statistics always kept indefinitely |
| DMARC monitoring | Listed among add-on capabilities |
| Big senders | Custom pricing discussed with the sales team |
Captured billing and no-inference rules
The captured plans are Developer free with 100 emails every month that never expires, Basic at $15.00/mo, Pro at $16.50/mo, and Platform at $18.00/mo, each starting at 10,000 emails per month. Extra emails are priced at $1.80, $1.30, and $1.20 per 1,000 respectively, and every paid plan includes unlimited emails per day and detailed analytics and insights.
Retention scales from 45 days on Basic to customizable storage up to 365 days on Pro and Platform (45-day default), custom sending domains run 5, 10, and unlimited, and inbound email processing is included on Pro and Platform. All plans carry industry-leading deliverability rates and speed, and there is a free trial with no credit card required.
Add-ons captured are dedicated IPs for customers sending 300,000 or more emails per month on Pro plans or higher, and custom activity retention starting at $5/month on Pro plans or higher, with statistics always kept indefinitely. Big senders discuss custom pricing with the sales team.
GBP or other non-USD prices, prices at email volumes other than the captured 10,000 starting point beyond the listed overage rates, DMARC monitoring pricing, taxes, and nonpublic discounts are not inferred.
Pricing and no-inference rules
GBP or other non-USD prices, prices at email volumes other than the captured 10,000 starting point beyond the listed overage rates, DMARC monitoring pricing, taxes, and nonpublic discounts are not inferred.
Current Postmark offers
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