# Self-hosted Gmail alternatives on Cloudflare

> 5 open-source apps that replace Gmail and run on your own Cloudflare account.

Page: https://openflarestack.com/alternatives/gmail/. Updated 2026-10-13.

## 1. Cloud Mail

Run a multi-user mail service on your own domain with attachments and an admin panel. Self-hosted alternative to Gmail.

- Repository: https://github.com/maillab/cloud-mail (MIT, 14661 stars, last commit 2026-09-05)
- Creates: Workers AI, Cron trigger, D1 database, KV namespace, R2 bucket
- Install: see https://github.com/maillab/cloud-mail#readme
- Details: https://openflarestack.com/apps/cloud-mail.md

## 2. Agentic Inbox

Web email client for your domain with an AI agent that searches mail and drafts replies. Self-hosted alternative to Gmail.

- Repository: https://github.com/cloudflare/agentic-inbox (Apache-2.0, 8271 stars, last commit 2026-04-23)
- Creates: R2 bucket, Durable Objects, Workers AI, Email
- Deploy: https://deploy.workers.cloudflare.com/?url=https://github.com/cloudflare/agentic-inbox
- Details: https://openflarestack.com/apps/agentic-inbox.md

## 3. Quickinbox

Webmail for your own domain with threads, attachments, multiple users and an MCP server. Self-hosted alternative to Gmail.

- Repository: https://github.com/DivinPrince/quickinbox (MIT, 420 stars, last commit 2026-10-07)
- Creates: D1 database, R2 bucket, Workers AI, Email
- Deploy: https://deploy.workers.cloudflare.com/?url=https://github.com/DivinPrince/quickinbox
- Details: https://openflarestack.com/apps/quickinbox.md

## 4. OmniMail

Multi-domain webmail for individuals and small teams, with a browser extension and Android app. Self-hosted alternative to Gmail.

- Repository: https://github.com/mibgb65-cloud/OmniMail (MIT, 248 stars, last commit 2026-10-01)
- Creates: D1 database, R2 bucket, Queues, Workflows, Workers AI, Cron trigger
- Deploy: https://deploy.workers.cloudflare.com/?url=https://github.com/mibgb65-cloud/OmniMail
- Details: https://openflarestack.com/apps/omnimail.md

## 5. Email Explorer

Web email client for sending and receiving mail on your own domain, with users and an admin panel. Self-hosted alternative to Gmail.

- Repository: https://github.com/G4brym/email-explorer (MIT, 165 stars, last commit 2026-06-08)
- Creates: R2 bucket, Durable Objects, Email
- Deploy: https://deploy.workers.cloudflare.com/?url=https://github.com/G4brym/email-explorer/tree/main/template
- Details: https://openflarestack.com/apps/email-explorer.md