Your private address book

Mailbook

Mailbook helps you collect missing addresses through a shareable link, review incoming responses, and build your own ready-to-send address book.

See below how Mailbook works: create a request, share your link, and collect addresses.

Preview

https://pieterpost.com/en/mailbook/

Start collecting

Create a request, share the link, and let people fill in their own address details.

What do you want to collect addresses for?

Message

Your contacts see this above the form. You can edit it—keep a clear, friendly invite to share an address for cards or letters.

We're expecting a baby! 👶 Would you share your address so I can send you a card or letter?|