Mailcow

Things to Know About Self-Hosted

Self-hosted tools are open-source apps you install on your own server to replace SaaS products. You get full control and often zero license cost, but you're responsible for setup, security, backups, and uptime.

• Caution: You might need capable hosting or a VPS
• Caution: Setup requires technical experience
• Caution: You manage updates and patches
• Caution: Security and backups are your job
• Caution: Uptime depends on your server
• Caution: Scaling may need extra work