Mailtrap vs Postmark: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision

Mailtrap
Mailtrap is an email testing and delivery platform that helps developers test, send, and track emails safely before reaching real users.

Postmark
Postmark is a fast and reliable email delivery service that helps businesses send transactional emails through SMTP and API integration.

Mailtrap
Mailtrap is an email testing and delivery platform that helps developers test, send, and track emails safely before reaching real users.

Postmark
Postmark is a fast and reliable email delivery service that helps businesses send transactional emails through SMTP and API integration.
Mailtrap
Safe email testing with sandbox environment
Email API and SMTP for sending real emails
HTML validation across email clients
Spam score checking before sending
Automated testing through API integration
Team sharing and collaboration tools
Multiple sandbox inboxes for different projects
Detailed delivery and engagement analytics
Support for all programming languages
Email template management and storage
Postmark
Fast email delivery to inbox in seconds
API and SMTP integration options
Pre-built responsive email templates
Detailed tracking and analytics
Message streams for email separation
Bounce and spam monitoring
Expert customer support team
DMARC security tools included
Webhook notifications for events
Multiple programming language libraries
Domain authentication assistance
Real-time delivery statistics
Mailtrap
Mailtrap offers separate pricing for Email API/SMTP and Email Sandbox to match different needs.
For Email API/SMTP, the Free plan includes 3,500 emails per month with 1 domain and 3 days of logs. The Basic plan costs $15 monthly for 10,000 emails with 5 domains and 5 days of logs. The Business plan at $85 monthly offers 100,000 emails, up to 3,000 domains, 15 days of logs, and a dedicated IP address for better delivery. The Enterprise plan starts at $750 monthly with 1,500,000 emails and 30 days of logs.
For Email Sandbox, the Free plan provides 50 test emails monthly. The Basic plan costs $17 monthly for 500 test emails. The Team plan at $42 monthly includes 5,000 test emails and chat support. The Business plan costs $123 monthly for 50,000 test emails. The Enterprise plan at $498 monthly provides 5,000,000 test emails with priority support and single sign-on.
Postmark
Postmark offers clear pricing plans to fit different needs. Every account starts with a Free Developer Plan that includes 100 emails every month and never expires - perfect for testing or small projects.
The Basic Plan costs $15 per month and includes 10,000 emails. You can add more at $1.80 per 1,000 extra emails. This plan supports up to 4 users and 5 servers.
The Pro Plan at $16.50 monthly includes 10,000 emails with additional emails at $1.30 per 1,000. It offers up to 6 users, 10 servers, and includes inbound email features.
The Platform Plan costs $18 monthly for 10,000 emails, with extras at $1.20 per 1,000. It includes unlimited users, servers, and all advanced features.
High-volume senders can contact their team for custom pricing with dedicated IP addresses and priority support.