SMTP2GO vs Mailcow
A detailed comparison to help you choose between SMTP2GO and Mailcow.
Quick Verdict
4.2/5
SMTP2GO
93 reviews
4.0/5
Mailcow
391 reviews
SMTP2GO is rated higher (4.2 vs 4.0). 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 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 SMTP relay with 99.99% uptime guarantee | Mailcow Self-hosted email server with Docker | |
|---|---|---|
| Overview | ||
| Rating | 4.2 (93 reviews)✓ | 4.0 (391 reviews) |
| Pricing model | freemium | free |
| Starting price | Free tier available | Free |
| Best for | Small businesses wanting a reliable SMTP relay with a strong uptime guarantee and generous free tier | System administrators wanting a free, complete self-hosted email server with Docker-based deployment |
| Tags | ||
| Tags | free tierapi access | free tieropen sourceself hostable |
| Visit SMTP2GO → | Visit Mailcow → | |
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
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
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