MailerSend vs Postmark
On the evidence we track, MailerSend leads this comparison with a composite score of 69/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for communication apis. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
MailerSend
LeaderA service for delivering transactional emails such as invoices, password resets, and notifications through multiple integration methods, emphasizing reliable inbox delivery and straightforward developer implementation.
Postmark
A transactional email platform that sends emails through API and SMTP endpoints, with built-in capabilities for tracking delivery success, handling bounces, and processing inbound messages. Designed for developers who need to integrate email delivery into applications.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
MailerSend
LeaderFrom $5.60/month. Free tier with 500 emails/month.
- FreeFree
- 500 emails/month
- 10 email verification credits
- Email thread support
- Drag-and-drop email editor
- Hobby$5.60/month or $67.20/year
- Email and SMTP relay API
- Bulk email sending
- Sender identities
- 7 SDKs and OpenAPI
- Email verification
- +5 more
Postmark
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
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Zapier
- Supabase
- Slack
- Tabular
- WordPress
MailerSend
Leader- Firebase
- Symfony
- Laravel
- Airbyte
- Airtable
- Anymail
- ChatGPT
- Claude
- Courier
- Cursor
- Django
- Google Cloud
- Integrately
- Knock
- Magento
- Mailster
- Make
- NocoDB
- Novu
- Pabbly Connect
- Partnero
- Pipedream
- Rails
- React Email
- +4 more
Postmark
- Mailcoach
- Datadog
- Craft CMS
- Customer.io
- ActiveCampaign
- Bubble
- Figma
- Google Sheets
- Gravity Forms
- Gravity SMTP for WordPress
- Netlify
- Stripe
- Stripo
- Typeform
- WP Mail SMTP
- SureTriggers
- Marka Email Generator
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.