Mailgun vs Postmark: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision
Mailgun
Mailgun is a powerful email API service that helps developers send, receive, and track emails effortlessly with reliable delivery.
Postmark
Postmark is a fast and reliable email delivery service that helps businesses send transactional emails through SMTP and API integration.
Mailgun
Mailgun is a powerful email API service that helps developers send, receive, and track emails effortlessly with reliable delivery.
Postmark
Postmark is a fast and reliable email delivery service that helps businesses send transactional emails through SMTP and API integration.
Mailgun
RESTful API and SMTP relay for flexible integration
Real-time email tracking and analytics
Email validation and deliverability optimization
Inbound email routing and parsing
Webhook notifications for instant event updates
Multi-language SDK support (Python, PHP, Java, Ruby)
Dedicated IP addresses available
Email authentication (SPF, DKIM, DMARC)
Template management and suppression handling
99.99% uptime guarantee
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
Mailgun
Mailgun offers flexible pricing plans to suit different business needs and email volumes. The Free plan allows 100 emails per day, perfect for testing and small applications.
Paid plans include:
Flex Plan: Pay-as-you-go at $0.80 per 1,000 emails after 3 free months, ideal for unpredictable volumes
Foundation Plan ($35/month): 50,000 emails with basic features and 5-day log retention
Growth Plan ($80/month): 100,000 emails with enhanced support and 15-day log retention
Scale Plan ($90/month): 100,000 emails plus email validation, dedicated IPs, send time optimization, and 30-day logs
Enterprise: Custom pricing for high-volume senders with dedicated support and advanced features
All plans include unlimited users, API access, and basic tracking. Higher-tier plans add dedicated IPs, longer log retention, priority support, and advanced deliverability features. Overage pricing decreases with higher-tier plans.
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.
