addy.io

What is addy.io?

addy.io forwards alias mail to an existing recipient mailbox.

Aliases may use a username subdomain, a shared domain, or a custom domain. Users can deactivate an alias when it starts receiving unwanted mail.

How should you handle addy.io signups?

Treat the signup alias as the delivery address. Use separate account controls for referrals and free credits.

What you cannot infer

Different aliases can reach the same recipient. Their destination is private and cannot be inferred reliably from the address.