Mailcow vs SMTP2GO
A detailed comparison to help you choose between Mailcow and SMTP2GO.
Quick Verdict
4.0/5
Mailcow
391 reviews
4.2/5
SMTP2GO
93 reviews
SMTP2GO is rated higher (4.2 vs 4.0). Mailcow is a free, open source email server suite running on Docker. Complete mail server with anti-spam, anti-virus, webmail, SOGo, and admin panel. Self-host on any VPS. SMTP2GO is an SMTP relay service with a 99.99% uptime guarantee. 1,000 free emails/month, detailed reporting, bounce management, and Australian-founded reliability focus.
Mailcow Self-hosted email server with Docker | SMTP2GO SMTP relay with 99.99% uptime guarantee | |
|---|---|---|
| Overview | ||
| Rating | 4.0 (391 reviews) | 4.2 (93 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 | Small businesses wanting a reliable SMTP relay with a strong uptime guarantee and generous free tier |
| Tags | ||
| Tags | free tieropen sourceself hostable | free tierapi access |
| Visit Mailcow → | Visit SMTP2GO → | |
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
SMTP2GO
Pros
- + 99.99% uptime SLA
- + 1,000 free emails/month
- + Detailed reporting and bounce management
Cons
- - Less scalable than SendGrid at large volumes
- - Australian company — support timezone differences
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