Pidgeon
A shared mailbox where every agent gets its own address
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When a shop sells or leaks your address, mail from anyone but that shop bounces, so you know exactly who leaked it and lose nothing by deleting the inbox.
Clova is an email service built on many small inboxes. A one-sender inbox locks to whichever domain writes first (or the exact account, for Gmail and Outlook) and rejects everyone else; temporary inboxes expire on a timer; and a prefix lets you invent new addresses on the spot. It checks SPF, DKIM and DMARC, forwards mail, supports your own domain on the Business plan, and has an MCP server so assistants can create inboxes. Free for three addresses, then $30 or $50 a year.
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