Test receive on a mailbox subchannel

`GET /settings/mailbox/{subchannelId}/test/receive`

Triggers a one-off mailbox fetch for the given subchannel to verify that authentication and mailbox connectivity are working. Returns the count and metadata of messages that would be pulled, but does not persist them as tickets.

Path parameters

subchannelIdintegerpathrequired

ID of the mailbox subchannel to test.

Responses

200 — Operation successful

400 — Bad request

403 — Unauthorized

500 — Internal error