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Paubox Receiving lets you accept inbound email through the same Email API you already use to send. Provision a domain, create mailboxes, and pull messages and attachments via REST — no mail server to run.

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How it works

  1. Create a receiving domain. Each domain is a subdomain of inbound.paubox.email (e.g. support.inbound.paubox.email). DNS is configured automatically — no records to add.
  2. Create mailboxes. A mailbox is an address on your domain (e.g. intake@support.inbound.paubox.email). Each mailbox has a name and password, with an optional storage quota.
  3. Receive email. Anyone can send to your mailbox addresses. Messages are stored and available via the API within seconds.
  4. Retrieve messages. List, read, and download attachments through the API. Cursor-based pagination keeps large mailboxes fast.

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Resources

The receiving surface is organized into three resource groups:

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Limits

  • Domains per account: contact support for limits above the default.
  • Mailboxes per domain: no hard limit; each mailbox consumes storage.
  • Email retrieval: paginated, up to 100 per request.
  • Attachment download: returns raw bytes; size limited by the original message.