Postmark vs Sendy
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
Postmark offers more features (37 vs 21) and more integrations (16 vs 5). Starting price: Postmark at $15/mo vs Sendy at Free. Postmark has 37 unique features while Sendy has 21 unique features, with 0 features in common.
| Postmark | Sendy | |
|---|---|---|
| Category | Email Marketing | Email Marketing |
| Total Features | 37 | 21 |
| AI-Powered Features | 1 | 0 |
| Starting Price | $15/mo | Free |
| Pricing Tiers | 5 | 3 |
| Integrations | 16 | 5 |
| Shared Features | 0 | |
| Shared Integrations | 0 | |
| Data Quality | 85% | 70% |
Feature Comparison by Category
API (2 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| REST API | ||
| Stats API |
Analytics (4 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Detailed Analytics | ||
| Email Open Tracking | ||
| Granular Bounce Data | ||
| Link Tracking |
Automation (0 vs 2)
| Feature | Postmark | Sendy |
|---|---|---|
| Autoresponders | ||
| Rules & Webhooks |
Compliance (1 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| GDPR Compliance |
Customization (0 vs 4)
| Feature | Postmark | Sendy |
|---|---|---|
| Custom Domains | ||
| Custom Fields | ||
| Multi-Domain Support | ||
| Source Code Access |
Data Management (1 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Activity Retention |
Deployment (0 vs 1)
| Feature | Postmark | Sendy |
|---|---|---|
| Self-Hosted Installation |
Developer Tools (3 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Dynamic API Documentation | ||
| Migration Guides | ||
| Official SDKs |
Email Configuration (1 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Custom Sending Domains |
Email Delivery (0 vs 2)
| Feature | Postmark | Sendy |
|---|---|---|
| Bulk Email Sending via Amazon SES | ||
| SMTP Provider Support |
Email Design (1 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Email Templates |
Email Management (5 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Automatic Suppression | ||
| Custom Tagging | ||
| Inbound Email Processing | ||
| Message Streams | ||
| Suppression Management |
Email Sending (3 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Batch Sending | ||
| Bulk Email API | ||
| SMTP |
Email Types (1 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Transactional Email |
Infrastructure (4 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Dedicated IPs | ||
| High Quality Vetted IPs | ||
| Multi-Region Routing | ||
| Multiple Servers |
Integration (2 vs 1)
| Feature | Postmark | Sendy |
|---|---|---|
| API Access | ||
| Event Webhooks | ||
| MCP Server |
Integrations (0 vs 1)
| Feature | Postmark | Sendy |
|---|---|---|
| Third Party Integrations |
List Hygiene (0 vs 2)
| Feature | Postmark | Sendy |
|---|---|---|
| Bounce & Complaint Handling | ||
| List Housekeeping |
List Management (0 vs 1)
| Feature | Postmark | Sendy |
|---|---|---|
| List & Subscriber Management |
Multi-tenant (0 vs 1)
| Feature | Postmark | Sendy |
|---|---|---|
| White Labeled Client Accounts |
Pricing (0 vs 1)
| Feature | Postmark | Sendy |
|---|---|---|
| Free Email Allowance |
Reporting (0 vs 2)
| Feature | Postmark | Sendy |
|---|---|---|
| Campaign Reporting | ||
| Subscriber Export |
Security (8 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| API Permission Controls | ||
| DDoS Protection | ||
| DKIM, SPF, DMARC Authentication | ||
| DMARC Monitoring | ||
| Penetration Testing | ||
| Secure Webhook Endpoints | ||
| Two-Factor Authentication | ||
| User Roles |
Segmentation (0 vs 1)
| Feature | Postmark | Sendy |
|---|---|---|
| List Segmentation |
Setup (0 vs 1)
| Feature | Postmark | Sendy |
|---|---|---|
| Free Installation Service Option |
Support (0 vs 1)
| Feature | Postmark | Sendy |
|---|---|---|
| Free Major Version Updates |
Testing (1 vs 0)
| Feature | Postmark | Sendy |
|---|---|---|
| Sandbox Mode |
Unique Features
Only in Postmark (37)
Detailed Analytics
Email Open Tracking
Granular Bounce Data
Link Tracking
REST API
Stats API
GDPR Compliance
Activity Retention
Dynamic API Documentation
Migration Guides
Official SDKs
Custom Sending Domains
Email Templates
Automatic Suppression
Custom Tagging
Inbound Email Processing
Message Streams
Suppression Management
Batch Sending
Bulk Email API
+ 17 more unique features
Only in Sendy (21)
Autoresponders
Rules & Webhooks
Custom Domains
Custom Fields
Multi-Domain Support
Source Code Access
Self-Hosted Installation
Bulk Email Sending via Amazon SES
SMTP Provider Support
API Access
Third Party Integrations
Bounce & Complaint Handling
List Housekeeping
List & Subscriber Management
White Labeled Client Accounts
Free Email Allowance
Campaign Reporting
Subscriber Export
List Segmentation
Free Installation Service Option
+ 1 more unique features
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