Amazon SES vs Postmark: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Amazon SES and Postmark side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Postmark leads on higher user rating and a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Amazon SES
Transactional email service from AWS
Best for you if:
- • You want cheapest email sending
Postmark
Reliable, fast transactional email delivery for developers
Best for you if:
- • You want a free tier before you commit
| At a Glance | Amazon SES | Postmark |
|---|---|---|
Starts at | From $15/mo flat, billed monthly Dedicated IP (Managed) plan | Free plan, paid from $15/mo Basic plan |
Category | Email API Tools | Email API Tools |
Rating | 4.5/5 G2 4.3 · Capterra 4.7 326 reviews | 4.7/5 Capterra 4.7 · G2 4.6 67 reviews |
Free plan | No | Yes |
Watch out for | Attachments at $0.12/GB add up. | DMARC monitoring is a paid add-on: $14/month per domain. Many competitors include basic DMARC reporting for free. |
Choose Amazon SES or Postmark?
Choose Amazon SES if
- You want cheapest email sending
- You want high deliverability
Choose Postmark if
- You want a free tier before you commit
- You want sub-second delivery times significantly faster than most competitors
- You want message streams separate transactional from promotional to protect deliverability
In-Depth Analysis
Amazon SES
Transactional email service from AWS
Amazon SES offers a highly competitive and generally fair pricing model, especially for its pay-as-you-go outbound and inbound email services at $0.10/1000 emails.
Watch out
Attachments at $0.12/GB add up.
Strengths
- Pro: Cheapest email sending
- Pro: High deliverability
- Pro: Pay per email
- Pro: Integrates with AWS
- Pro: No monthly minimum
Weaknesses
- Con: Basic features only
- Con: Not for marketing emails
- Con: Setup can be complex
- Con: UI minimal
- Con: Reputation management manual
Key features
Postmark
Reliable, fast transactional email delivery for developers
Postmark has built its entire reputation on one thing: deliverability.
Watch out
DMARC monitoring is a paid add-on: $14/month per domain. Many competitors include basic DMARC reporting for free.
Strengths
- Pro: Sub-second delivery times significantly faster than most competitors
- Pro: Message streams separate transactional from promotional to protect deliverability
- Pro: Premium support included on all plans at no extra cost
- Pro: Generous free tier with 100 emails per month that never expires
- Pro: Clean developer-focused API with SDKs for all major languages
Weaknesses
- Con: Not designed for marketing or newsletter campaigns
- Con: Dedicated IPs require minimum 300,000 emails per month
- Con: Free plan limited to 100 emails which is very low for production use
- Con: Overage pricing can add up quickly at scale without pre-purchasing volume
- Con: No built-in drag-and-drop email builder for non-technical users
Key features
Plans and prices: Amazon SES vs Postmark
| Tool | Plans and prices | Source |
|---|---|---|
| Amazon SES |
| aws.amazon.com/ses/pricing read Oct 20, 2026 |
| Postmark |
| postmarkapp.com/pricing read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Amazon SES pricing and Postmark pricing.
Key Takeaways
Amazon SES
- Choose if you want transactional email service from AWS
Postmark
- Higher user rating: 4.7/5 vs 4.5/5
- Has a free plan
What the data shows
On the data below, Postmark leads on higher user rating and a free plan. We do not name an overall winner for this pair.
- Postmark has the higher user rating (4.5/5 from 326 reviews for Amazon SES, 4.7/5 from 67 reviews for Postmark).
- Entry prices are not ranked, they are charged on different bases: Amazon SES $15/mo flat, billed monthly; Postmark $15/mo.
- Only Postmark has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Amazon SES and Postmark compare in 2026?
On the data below, Postmark leads on higher user rating and a free plan. We do not name an overall winner for this pair. Postmark has the higher user rating (4.5/5 from 326 reviews for Amazon SES, 4.7/5 from 67 reviews for Postmark). Entry prices are not ranked, they are charged on different bases: Amazon SES $15/mo flat, billed monthly; Postmark $15/mo. Only Postmark has a free plan.
What are Amazon SES and Postmark used for?
Amazon SES: Transactional email service from AWS. Postmark: Reliable, fast transactional email delivery for developers.
What does Amazon SES cost vs Postmark?
Amazon SES's cheapest paid plan is Dedicated IP (Managed) at $15/mo flat, billed monthly. Postmark's cheapest paid plan is Basic at $15/mo; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between Amazon SES and Postmark?
Amazon SES's main strength: cheapest email sending. Postmark's main strength: sub-second delivery times significantly faster than most competitors.