Postmark Pro
The Postmark Pro plan costs $16.50 per month for 10,000 emails.
What the plan includes
10 domains, 6 users, inbound email, retention up to 365 days. Extra emails $1.30 per 1,000; $60.50 a month at 50,000 emails.
As stated on postmarkapp.comThe plans either side of it
- Basic$15 per month for 10,000 emailsone below
5 sending domains, 4 users, 45 days of history, no inbound email. Extra emails $1.80 per 1,000; $55 a month at 50,000 emails.
- Platform$18 per month for 10,000 emailsone above
Unlimited domains, servers, streams and users, with inbound email. Extra emails $1.20 per 1,000; $66 a month at 50,000 emails.
What else costs about this much
| Tool | Starts at | Free plan |
|---|---|---|
| Bird Email | $15 a month | Yes |
| Mailgun | $15 a month | Yes |
| Mailtrap | $15 a month | Yes |
| SMTP2GO | $15 a month | Yes |
| Elastic Email | $19 a month | Yes |
| Twilio SendGrid | $19.95 a month | No |
Each tool’s own starting price, within a quarter of what this plan costs. A starting price is not the same plan, so read what each one includes before weighing them against each other.
Postmark Pro questions
How much is the Postmark Pro plan?
The Postmark Pro plan costs $16.50 per month for 10,000 emails. 10 domains, 6 users, inbound email, retention up to 365 days. Extra emails $1.30 per 1,000; $60.50 a month at 50,000 emails.
What is the difference between Postmark Basic and Pro?
Basic costs $15 per month for 10,000 emails and gives you 5 sending domains, 4 users, 45 days of history, no inbound email. Extra emails $1.80 per 1,000; $55 a month at 50,000 emails. Pro costs $16.50 per month for 10,000 emails and gives you 10 domains, 6 users, inbound email, retention up to 365 days. Extra emails $1.30 per 1,000; $60.50 a month at 50,000 emails.
Is it worth moving from Pro to Platform?
That depends on what you need. Platform costs $18 per month for 10,000 emails and adds unlimited domains, servers, streams and users, with inbound email. Extra emails $1.20 per 1,000; $66 a month at 50,000 emails. The listing is what each plan states; neither plan is graded on its own.
Does Postmark have a free plan or a trial?
Yes. Free developer plan: 100 emails a month with no expiry and no overages, for testing an integration or a small side project. No credit card needed.
When was this checked?
Oct 18, 2026, against https://postmarkapp.com/pricing. Vendors change prices and plans without notice, so confirm on their site before you buy.