This event is published when the MESHPoller or MESHDownloader detects a new message in the MESH mailbox that is deemed invalid and should not be processed.
Channel: uk/nhs/notify/digital/letters/mesh/inbox/message/invalid/v1
Content Type: application/cloudevents+json
Event Type: Published
Data Schema Reference: /schemas/digital-letters/2025-10-draft/data/digital-letters-mesh-inbox-message-invalid-data.schema.json
Schema Reference: /schemas/digital-letters/2025-10-draft/events/uk.nhs.notify.digital.letters.mesh.inbox.message.invalid.v1.schema.json