Looking for a Gmail Alternative?
Meet Mail-in-a-Box
Turns any Ubuntu server into a fully functional mail server with one command.
See how much you could save by switching from Gmail to Mail-in-a-Box
Average Gmail pricing is ~$15/user/month
5-Year Projected Savings
$0
Ready to Switch?
Deploy Mail-in-a-Box on DigitalOcean in 1-click
Get $200 in Free Credits
New users receive $200 credit valid for 60 days
Trusted by 600,000+ developers worldwide. Cancel anytime.
Gmail vs Mail-in-a-Box: Feature Comparison
| Feature | Gmail Paid SaaS | Mail-in-a-Box Open Source |
|---|---|---|
| Monthly Cost | Per-user pricing | Free (hosting only) |
| Data Ownership | ||
| Privacy Control | ||
| Self-Hosted Option | ||
| No Vendor Lock-in | ||
| Source Code Access | ||
| Customizable | Limited | Fully |
| Automatic Updates | Manual | |
| Managed Infrastructure | ||
| Official Support | Community |
Community activity and technical details from the Mail-in-a-Box repository
License
Creative Commons Zero v1.0 Universal
Open source license for commercial use
Forks
1.5k
Community-maintained copies
Primary Languages
Why Switch from Gmail to Mail-in-a-Box?
Complete Data Ownership
Your data stays on your servers. No third-party access, no data mining, and full compliance with privacy regulations like GDPR and HIPAA.
No Per-User Pricing
Pay only for hosting (~$5-20/month), regardless of team size. Add unlimited users without increasing your costs.
Full Customization
Access the source code and customize Mail-in-a-Box to fit your exact workflow. No feature limitations or paywalls.
No Vendor Lock-in
Export your data anytime. Move between hosting providers freely. Your business isn't dependent on a single vendor.
Sponsor This Tool
Reach developers looking for Mail-in-a-Box alternatives
300x250 Display Ad Placement
Similar Alternatives to Mail-in-a-Box
Explore other open-source tools in the same category or with similar features
Postal
Mautic
Mailu
Roundcube
Maddy Mail Server
Mox
Complete e-mail solution with IMAP4, SMTP, SPF, DKIM, DMARC, MTA-STS, DANE and DNSSEC, reputation-based and content-based junk filtering, Internationalization (IDNA), automatic TLS with ACME and Let's Encrypt, account autoconfiguration, and webmail.