I built HQBase, an open-source email workspace that runs in your Cloudflare account.I originally built it for myself. I wanted multiple addresses and domains - support@, sales@, personal addresses, etc. - without paying for a separate mailbox for every address or running a mail server.It uses Cloudflare Workers, Email Routing/Sending, D1 and R2.HQBase gives you one inbox for multiple domains and addresses, team invites with granular inbox access, a PWA with push notifications (including iPhone), and an MCP server.Setup takes about 2-3 minutes, and the infrastructure stays in your Cloudflare account.The project is AGPL-3.0 and fully open source.Would love feedback and any features you d like to see.https://hqbase.io