Postmark
Postmark email overage (Basic plan)
Basic overage of $1.80 per 1,000 emails. Pro and Platform plans publish lower overage rates.
Usage calculator
- Published unit price
- $0.0018
- Estimated cost
- $1.80
Project monthly volume
- Estimated daily cost
- —
- Estimated monthly cost
- —
Cost by usage volume
The table includes intermediate steps such as 25, 50, and 250 units, so you can inspect growth between large round-number bands.
| Usage volume | Estimated cost |
|---|---|
| 1 | $0.0018 |
| 10 | $0.018 |
| 25 | $0.045 |
| 50 | $0.09 |
| 100 | $0.18 |
| 250 | $0.45 |
| 500 | $0.9 |
| 1,000 | $1.80 |
| 2,500 | $4.50 |
| 5,000 | $9.00 |
| 10,000 | $18.00 |
| 25,000 | $45.00 |
| 50,000 | $90.00 |
| 100,000 | $180.00 |
| 250,000 | $450.00 |
| 500,000 | $900.00 |
| 1,000,000 | $1,800.00 |
| 5,000,000 | $9,000.00 |
| 10,000,000 | $18,000.00 |
Cost profile
- The published rate is $0.0018 per email beyond plan quota.
- One thousand units cost $1.80; 100,000 units cost $180.00 before allowances, tiers, or other billing components.
- A $100 budget covers about 55,555 units at this linear rate.
This calculator applies the published unit rate linearly. Included quotas, tiered prices, minimum commitments, regional charges, and other billing components may change the actual total.