Mailcow vs Loops
A detailed comparison to help you choose between Mailcow and Loops.
Mailcow Self-hosted email server with Docker | Loops SMTP service built for transactional email at scale | |
|---|---|---|
| Overview | ||
| Rating | 4.0 (391 reviews) | 4.9 (240 reviews)✓ |
| Pricing model | free | freemium |
| Starting price | Free | Free tier available |
| Best for | System administrators wanting a free, complete self-hosted email server with Docker-based deployment | SaaS teams and developers needing dependable transactional email delivery without the overhead of self-hosted SMTP infrastructure. |
| Tags | ||
| Tags | free tieropen sourceself hostable | free tierapi access |
| Visit Mailcow → | Visit Loops → | |
Mailcow
Pros
- + Complete mail server suite for free
- + Docker-based — easy deployment
- + Active open source community
Cons
- - Requires server management expertise
- - IP reputation management on your server
Loops
Pros
- + Send transactional emails reliably without maintaining SMTP infrastructure
- + Monitor delivery metrics and bounce rates in real-time dashboard
- + Integrate quickly via standard SMTP or REST API
- + Auto-handle bounces and manage sender reputation
- + Scale from thousands to millions of emails per month
Cons
- - Limited advanced segmentation compared to full marketing platforms
- - Smaller provider means fewer third-party integrations than competitors
- - Pricing scales linearly, less cost-effective at extremely high volumes
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