Two transactional email providers, compared on price, features and ratings, so you can pick fast.
MailerSend wins price and deliverabilityPostmark wins transactional deliverability
Updated July 2026
At a glanceMailerSendPostmark
Entry price$7$10
Cost per 1k @ 100k—$1.26
Free tier500/mo100/mo
G2 rating4.14.6
THE VERDICT
MailerSend wins on price and deliverability. Postmark wins on transactional deliverability.
MailerSend starts at $7 versus Postmark's $10. Postmark rates higher with developers (4.6 vs 4.1 on G2). Pick based on volume and team, and the scorecard below breaks down where each one leads.
Which should you choose?
Pick MailerSend
✓Teams that need EU-hosted transactional email data by default for compliance or customer-trust reasons
✓Budget-conscious developers who want a real free tier plus a cheap ($7/mo) entry-level paid plan
✓Teams that want built-in email address verification without adding a separate vendor
✓Apps that need inbound email parsing (support tickets, reply-by-email flows) alongside outbound sending
Winner cells are tinted, green where MailerSend leads, violet where Postmark does.
capability
MailerSend
Postmark
Pricing
Starting paid plan
$7/mo
$15/mo
Cost per 1k @ 100k
—
$1.26
Pricing model
Hybrid
Subscription
Overage
$1.50 per 1,000 emails beyond the plan's included allowance
$1.20–$1.80 per 1,000 by plan
Deliverability
Dedicated IP
Plan-gated
Add-on
Deliverability tooling
Yes
Yes
Automated IP warmup
Yes
No
Suppression management
Yes
Yes
SPF / DKIM / DMARC
Yes
Yes
API & sending
Transactional API
Yes
Yes
Marketing campaigns
No
No
SMTP relay
Yes
Yes
Inbound routing
Yes
Yes
Dynamic templates
Yes
Yes
Batch send
Yes
Yes
Scheduled send
Yes
No
Developer experience
Official SDKs
PHP, Laravel, Node.js, Go, Python, Ruby, Java
.NET, Java, Node.js, PHP, Python, Ruby, Rails
Event webhooks
Yes
Yes
Drag-and-drop editor
Yes
No
Custom HTML editor
Yes
Yes
Email validation
Yes
No
Log retention
Plan-gated: 1 day (Free/Hobby), 7 days (Starter), 30 days (Professional)
45 days
Sandbox / test mode
Yes
Yes
Analytics
Open / click tracking
Yes
Yes
Analytics dashboard
Yes
Yes
A/B testing
Plan-gated
No
Compliance
EU data residency
Yes
No
SOC 2
No
No
HIPAA
No
No
GDPR
Yes
Yes
ISO 27001
—
No
Support
Support channels
Limited support on Free; 24/7 email support from Hobby; live chat plus priority support on Starter and Professional; dedicated account manager on Professional
Email, Chat
24/7 support
Yes
No
Support SLA
—
No
Migration assistance
Plan-gated
—
FAQ
Common questions
MailerSend starts at $7 versus Postmark's $10. Because pricing models differ by tier, the cheaper option depends on your monthly volume, so compare the pricing rows in the scorecard above.
Pricing, plans and feature availability as of July 2026 and may change. Ratings are aggregated from public review platforms. Postmark is an ActiveCampaign product.