Gravbox

Gravbox is a modern custom-domain email platform built for professionals, freelancers, startups, agencies, and small teams.

Connect your own domain, create professional email addresses, manage mailboxes, and access your inbox through a clean and fast webmail experience.

With Gravbox, you can:

• Use professional email addresses with your own domain
• Read, compose, reply to, forward, archive, and organize emails
• Create and manage mailboxes for your team
• Configure MX, SPF, DKIM, and DMARC records with guided setup
• Protect your inbox with spam and phishing filtering
• Use multiple themes for a personalized inbox experience

Gravbox also includes optional AI-powered writing tools. You can connect your own OpenAI, Gemini, or Groq API key to:

• Draft email replies
• Improve grammar and clarity
• Change the tone of a message
• Translate email content
• Summarize long conversations

Your AI provider charges you directly for usage, so you remain in control of your API key and costs.

Gravbox is designed to provide a focused, ad-free email experience without unnecessary office-suite tools. It is suitable for anyone who wants professional business email with a simple interface, reliable mailbox management, and optional AI assistance.

Some features, mailbox limits, storage capacity, and sending limits may depend on your selected Gravbox plan.