Errors

recipient_entry_invalid

400 – Not an address or a domain.

Not an address or a domain. Answered with 400.

What it means

An Allowed Recipient is an address or a whole domain written with a leading @, and the value is neither.

What to do

Send an address like partner@kunde.de, or a domain like @kunde.de.

The body

{
  "type": "https://tigby.eu/problems/recipient_entry_invalid",
  "title": "Not an address or a domain",
  "status": 400,
  "detail": "…what was refused, naming this request's own values",
  "code": "recipient_entry_invalid",
  "doc_url": "https://docs.tigby.eu/errors/recipient_entry_invalid",
  "agent_hint": "…the next step, for software"
}

Branch on code. The detail names this request's own Handle, id or limit and is not part of the contract.