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Amazon SES vs Postmark
Short answer: Pick Amazon SES if you want scalable email sending with pay-as-you-go pricing; pick Postmark if you want fast, reliable transactional email. Amazon SES is paid, with a free trial; Postmark has a free plan, paid from $15/month.
Amazon SESBulk and transactional email sending from AWS
PostmarkTransactional email delivery for appsWhich to pick
Pick Amazon SES if you want…
- Scalable email sending with pay-as-you-go pricing
- Integrations with API (on Amazon SES's list, not Postmark's)
Pick Postmark if you want…
- Fast, reliable transactional email
- Transactional email delivery
- A free plan to start with
- Integrations with Python, Ruby or PHP (on Postmark's list, not Amazon SES's)
Side by side
- What it is
- Amazon SES:Amazon SES is a fully managed cloud service for sending and receiving high-volume transactional, marketing and bulk email via API or SMTP.
- Postmark:Postmark is an email delivery service for sending transactional and marketing emails via API or SMTP.
- Best for
- Amazon SES:Scalable email sending with pay-as-you-go pricing
- Postmark:Fast, reliable transactional email
- Who it’s for
- Amazon SES:Developers and businesses needing scalable email sending and inbound processing.
- Postmark:Developers and teams needing reliable email delivery.
- Pricing
- Amazon SES:Paid
- Postmark:Freemium
- Starting price
- Amazon SES:—
- Postmark:$15/month (Basic)
- Free plan or trial
- Amazon SES:Free trial
- Postmark:Free plan (Free) · Free trial
- Plans
- Amazon SES:—
- Postmark:Free $0.00/mo · Basic $15.00/mo per month · Pro $16.50/mo per month · Platform $18.00/mo per month
- Works with
- Amazon SES:API, SMTP
- Postmark:Python, Ruby, PHP, cURL, SMTP
Amazon SES features
- API & SMTP integration. Send email programmatically using the SES API, SMTP interface, or AWS SDKs.
- Virtual Deliverability Manager. Provides deliverability insights, reputation monitoring and inbox placement recommendations.
- Mail Manager inbound processing. Route, filter and secure incoming email with customizable traffic policies.
- Dedicated IP options. Choose managed or standard dedicated IPs, including automatic warm-up.
- Email validation. Validate recipient addresses to reduce bounces and protect sender reputation.
- Global Endpoints. Multi-region endpoints automatically distribute outbound traffic for resilience.
Postmark features
- Industry-leading deliverability. Ensures emails reach inboxes quickly with vetted IPs and strict spam controls.
- Message Streams. Separates transactional and marketing emails on parallel infrastructures.
- Inbound email processing. Converts inbound emails to JSON and forwards via webhooks.
- Detailed analytics. Provides bounce data, open/link tracking, and activity retention.
- Official SDKs. Libraries for many languages (Node, Python, Ruby, PHP, .NET, etc.) for easy integration.
- Sandbox mode. Test email sending without affecting real recipients.
Amazon SES vs Postmark FAQ
What is the difference between Amazon SES and Postmark?+
Postmark specializes in transactional email with fixed pricing, whereas SES provides broader bulk/marketing capabilities and pay-as-you-go rates.
Should I use Amazon SES or Postmark?+
Pick Amazon SES if you want scalable email sending with pay-as-you-go pricing or integrations with API (on Amazon SES's list, not Postmark's). Pick Postmark if you want fast, reliable transactional email, transactional email delivery or a free plan to start with.
Is Amazon SES or Postmark free?+
Amazon SES is paid, with a free trial. Postmark has a free plan; paid plans start at $15/month (Basic).
Do Amazon SES and Postmark integrate with the same tools?+
Partly. Both list SMTP. Amazon SES also lists API; Postmark also lists Python, Ruby, PHP and cURL.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.