vioscaleAI
Comparison

Amazon SES vs Postmark

No clear leader: Amazon SES (64.6) and Postmark (59.9) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Amazon SES full profile →Postmark full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Amazon SES65
Postmark60
Score
vioscaleAI score
Amazon SES65 / 100medium · 74%
Postmark60 / 100low · 48%
Pricing
Free tier
Amazon SES✓
Postmark✓
Model
Amazon SESfreemium
Postmarkfreemium
Price level
Amazon SEShigh
Postmarklow
Starting price
Amazon SES$105
Postmark–
Transparent
Amazon SES✓
Postmark✓
Integrations
Count
Amazon SES2
Postmark21
Security
Disclosure policy
Amazon SES✓
Postmark–
Fedramp
Amazon SES✓
Postmark–
Gdpr
Amazon SES✓
Postmark✓
Hipaa
Amazon SES✓
Postmark–
Iso27001
Amazon SES✓
Postmark–
Pci
Amazon SES✓
Postmark–
Soc2
Amazon SES✓
Postmark–
Trust center
Reliability
Status page
Amazon SES✓
Postmark✓
Market
Availability
Content
Faq
Amazon SES5 items
Postmark7 items

Capabilities

Feature-by-feature on the axes that matter for communication apis. “-” means undocumented, not absent.

Channels
SMS
Amazon SES-
Postmark-
Voice
Amazon SES-
Postmark-
WhatsApp
Amazon SES-
Postmark-
RCS
Amazon SES-
Postmark-
Transactional email
Amazon SES✓
Postmark✓
Video / real-time
Amazon SES-
Postmark-
In-app chat
Amazon SES-
Postmark-
Verify / OTP / 2FA
Amazon SES-
Postmark-
Messaging
Two-way messaging
Amazon SES✓
Postmark✓
Reach
Geographic coverage
Amazon SESGlobal
PostmarkGlobal
Delivery
Email deliverability tools
Amazon SES✓
Postmark✓
Commercial
Published per-unit pricing
Amazon SES✓
Postmark✓

What each one is

The product in its own terms, so the numbers below have context.

Amazon SES

A cloud email service that handles high-volume email sending and receiving through APIs, SMTP, or AWS SDKs. It offers deliverability tools, dedicated IP management, security features, and compliance controls to help organizations reliably reach customer inboxes.

Independently observed

Postmark

Postmark is a transactional email service that connects with popular CMS platforms, marketing automation tools, forms providers, and business applications to send reliable emails across your workflows.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Amazon SES

from $105/moUsage-basedFree tier

From $0.02–$0.16 per 1,000 emails depending on plan and volume. Free tier: up to $200 AWS credits for 6 months on new accounts.

  • Essentials$0.16 per 1,000 emails
    • Auto email validation
  • Pro$105/month plus $0.14 per 1,000 emails
    • Dedicated IP addresses
    • Virtual Deliverability Manager
    • Inbox placement testing
    • Email validation API
  • Enterprise$500/month plus $0.11 per 1,000 emails
    • Dedicated IP addresses
    • Virtual Deliverability Manager
    • Global endpoints
    • Annual expert deliverability assessment
    • Inbox placement testing
  • À la carte$0.02–$0.08 per 1,000 emails (0–100M monthly)
    • Volume-based tiered rates
as of verify ↗

Postmark

from $1.20/moSubscriptionFree tier

From $15/mo. Free tier with 100 emails/month. Pay-as-you-go overages starting at $1.80 per 1,000 emails.

  • FreeFree
    • 100 emails/month
    • REST API
    • SMTP
    • Transactional email
    • Sandbox Mode
    • +3 more
  • Basic$15/mo + $1.80 per 1,000 overage emails
    • 10,000+ emails/month
    • Industry-leading deliverability
    • 45-day retention
    • 5 custom domains
    • Unlimited emails/day
    • +3 more
  • Pro$16.50/mo + $1.30 per 1,000 overage emails
    • 10,000+ emails/month
    • Industry-leading deliverability
    • Customizable retention up to 365 days
    • 10 custom domains
    • Unlimited emails/day
    • +5 more
  • Platform$18/mo + $1.20 per 1,000 overage emails
    • 10,000+ emails/month
    • Industry-leading deliverability
    • Customizable retention up to 365 days
    • Unlimited custom domains
    • Unlimited emails/day
    • +5 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Amazon SES✓
Postmark✓
CLI
Amazon SES✓
Postmark✗
Deployment
Cloud / SaaS
Amazon SES✓
Postmark✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Amazon SES

2 total
  • Amazon WorkMail
  • Amazon Mail Manager
Independently observed

Postmark

22 total
  • Mailcoach
  • Datadog
  • Craft CMS
  • Customer.io
  • ActiveCampaign
  • Supabase
  • Bubble
  • Figma
  • Google Sheets
  • Gravity Forms
  • Gravity SMTP for WordPress
  • Netlify
  • Slack
  • Stripe
  • Stripo
  • Typeform
  • WordPress
  • WP Mail SMTP
  • Zapier
  • Tabular
  • SureTriggers
  • Marka Email Generator
Independently observed
Still deciding?

Amazon SES or Postmark: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.