Ad-Free & Professional Custom Domain Email Hosting

Secure Email for Your Custom Domain.

Connect your domains in seconds and get professional, ad-free mailboxes. GravBox is built for modern developers, founders, and privacy-conscious teams.

Bring Your Own API Keys (BYOK)

Access advanced AI writing, editing, and summarization helpers directly in webmail using your own provider keys.

Uncapped Custom Domains

Host and manage mailboxes for all of your side projects and domains under a single dashboard with no extra domain fees.

100% Privacy-First Infrastructure

Zero tracking, no inbox scanning, and full data privacy. Your communication remains entirely confidential.

Join GravBox

By continuing, you agree to our Terms of Service and Privacy Policy.
We use your Google account solely for secure login credentials.