Mailgun vs Postmark
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
Mailgun offers the same number of features (37 vs 37) and fewer integrations (0 vs 16). Both start at $15/mo. Mailgun has 33 unique features while Postmark has 33 unique features, with 4 features in common.
| Mailgun | Postmark | |
|---|---|---|
| Category | Email Marketing | Email Marketing |
| Total Features | 37 | 37 |
| AI-Powered Features | 1 | 1 |
| Starting Price | $15/mo | $15/mo |
| Pricing Tiers | 5 | 5 |
| Integrations | 0 | 16 |
| Shared Features | 4 | |
| Shared Integrations | 0 | |
| Data Quality | 70% | 85% |
Feature Comparison by Category
API (1 vs 2)
| Feature | Mailgun | Postmark |
|---|---|---|
| REST API | ||
| RESTful Email API | ||
| Stats API |
Accessibility (1 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| ADA/EAA Compliant Emails |
Analytics (6 vs 4)
| Feature | Mailgun | Postmark |
|---|---|---|
| Bounce Classification | ||
| Detailed Analytics | ||
| Email Logs | ||
| Email Open Tracking | ||
| Email Tracking & Analytics | ||
| Engagement-Based Email Review | ||
| Granular Bounce Data | ||
| Link Tracking | ||
| Message Retention |
Automation (2 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Email Parsing | ||
| Inbound Routing |
Compliance (0 vs 1)
| Feature | Mailgun | Postmark |
|---|---|---|
| GDPR Compliance |
Content (2 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Email Templates | ||
| Recipient Variables |
Core (3 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Custom Sending Domains | ||
| Email Sending | ||
| SMTP Servers |
Data Management (0 vs 1)
| Feature | Mailgun | Postmark |
|---|---|---|
| Activity Retention |
Deliverability (4 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Dedicated IP Pools | ||
| Dedicated IP Warm Up | ||
| Inbox Placement Testing | ||
| Reputation Monitoring |
Developer Tools (0 vs 3)
| Feature | Mailgun | Postmark |
|---|---|---|
| Dynamic API Documentation | ||
| Migration Guides | ||
| Official SDKs |
Email Configuration (0 vs 1)
| Feature | Mailgun | Postmark |
|---|---|---|
| Custom Sending Domains |
Email Design (0 vs 1)
| Feature | Mailgun | Postmark |
|---|---|---|
| Email Templates |
Email Management (0 vs 5)
| Feature | Mailgun | Postmark |
|---|---|---|
| Automatic Suppression | ||
| Custom Tagging | ||
| Inbound Email Processing | ||
| Message Streams | ||
| Suppression Management |
Email Sending (0 vs 3)
| Feature | Mailgun | Postmark |
|---|---|---|
| Batch Sending | ||
| Bulk Email API | ||
| SMTP |
Email Types (0 vs 1)
| Feature | Mailgun | Postmark |
|---|---|---|
| Transactional Email |
Infrastructure (0 vs 4)
| Feature | Mailgun | Postmark |
|---|---|---|
| Dedicated IPs | ||
| High Quality Vetted IPs | ||
| Multi-Region Routing | ||
| Multiple Servers |
Integration (1 vs 2)
| Feature | Mailgun | Postmark |
|---|---|---|
| Event Webhooks | ||
| MCP Server | ||
| Webhooks |
List Management (3 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Email List Management | ||
| Mailing Lists | ||
| Suppression Management |
Optimization (2 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Mailgun Optimize | ||
| Send Time Optimization |
Organization (1 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Subaccounts |
Performance (1 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Rapid Fire SLAs |
Quality Assurance (1 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Email Preview & Inspection |
Reliability (1 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Guaranteed Uptime SLA |
Security (5 vs 8)
| Feature | Mailgun | Postmark |
|---|---|---|
| API Keys | ||
| API Permission Controls | ||
| Authentication Protocols | ||
| DDoS Protection | ||
| DKIM, SPF, DMARC Authentication | ||
| DMARC Monitoring | ||
| Multi-user Access | ||
| Penetration Testing | ||
| SAML SSO | ||
| Secure Webhook Endpoints | ||
| Two-Factor Authentication | ||
| User Management & Roles | ||
| User Roles |
Testing (0 vs 1)
| Feature | Mailgun | Postmark |
|---|---|---|
| Sandbox Mode |
Validation (3 vs 0)
| Feature | Mailgun | Postmark |
|---|---|---|
| Email Validation | ||
| Email Validation API | ||
| List Health Preview |
Unique Features
Only in Mailgun (33)
ADA/EAA Compliant Emails
Bounce Classification
Email Logs
Email Tracking & Analytics
Engagement-Based Email Review
Message Retention
RESTful Email API
Email Parsing
Inbound Routing
Recipient Variables
Email Sending
SMTP Servers
Dedicated IP Pools
Dedicated IP Warm Up
Inbox Placement Testing
Reputation Monitoring
Webhooks
Email List Management
Mailing Lists
Mailgun Optimize
+ 13 more unique features
Only in Postmark (33)
Detailed Analytics
Email Open Tracking
Granular Bounce Data
REST API
Stats API
GDPR Compliance
Activity Retention
Dynamic API Documentation
Migration Guides
Official SDKs
Automatic Suppression
Custom Tagging
Inbound Email Processing
Message Streams
Batch Sending
Bulk Email API
SMTP
Transactional Email
Dedicated IPs
High Quality Vetted IPs
+ 13 more unique features
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