Postmark vs Amazon SES
Email API & Delivery pricing comparison · 2026
Postmark has a free plan, then $15–$18/mo, while Amazon SES starts at $24.95/user/mo. Postmark is typically 84% more affordable, though your actual cost depends on tier and team size.
Postmark
Postmark pricing starts at $0/month on the Free plan for testing and low-volume sending, w
verified 4mo ago
$249
$500
Amazon SES
Amazon Simple Email Service (SES) is AWS's email sending service.
verified 10w ago
$249
$500
Recorded annual contract medians
Postmark
median is
$251
less than
Amazon
· different customer contracts; not a quote
Cheapest
$249
Spread
50%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Pro
$198/yr
year 1 license · flat plan price
Enterprise (fixed fee per account per region)
$6.0K/yr
year 1 license · flat plan price
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
↓ Lowest median
Median annual
$249/yr
Vendr · n=31
Median annual
$500/yr
Vendr · n=93
REF · 01
Sources & confidence
Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.
Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources
23 sourced facts
18 hidden-cost · 2 contract · Vendr median · 2 review platforms
Last verified
3mo ago
Confidence
Medium confidence
Sources
1 sourced fact
Vendr median
Last verified
2mo ago
Confidence
Medium confidence
REF · 02
Plans at a glance
Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.
Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 05
What users say
Aggregated, with sample sizes. We use whichever review platform has data.
User reviews
TrustRadius · Trustpilot · G2
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
License cost is computed from publicly listed plans (real math, list price × seats).
Median annual cost is from Vendr's deal flow when available — see source badges.
Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
VS
Postmark and Amazon SES both operate in the email api & delivery category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | Postmark | Amazon SES |
|---|---|---|
| Free | Free /month | Custom |
| Basic | $15 /month | Custom |
| Pro | $16.50 /month | $105 /month |
| Platform | $18 /month | $500 /month |
| Dedicated IPs – Standard | — | $24.95 /user/month |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Postmark
3 scenarios$0/month (100 emails)
Developer Testing
$15/month
Small SaaS
$15/month
Low Volume (up to 10,000 emails/month)
on the Basic plan
Amazon SES
3 scenarios$0/month (62K emails free)
Startup on EC2
$50/month
Mid-Volume SaaS
$1,000/month
High-Volume
+ $75 IPs
Market Intelligence
Postmark
- Median annual cost
- $249
- Based on
- 31 deals
Amazon SES
- Median annual cost
- $500
- Based on
- 93 deals