Optional ReadonlymaxNumber of failed deliveries after which a message is moved to the dead letter queue. AWS recommends at least 5, so that Lambda retries a transient failure several times before the message is set aside.
Validation: Optional; number between 1 and 1000
Redrive configuration for the dead letter queue automatically created alongside each queue.
Controls how many failed deliveries a message tolerates before SQS moves it to the DLQ, where it can be inspected and replayed without blocking the source queue.
Use cases: Poison message isolation; Controlled reprocessing; Partial failure handling
AWS: SQS redrive policy on the source queue, targeting the generated dead letter queue
Validation: Optional; maxReceiveCount must be a number between 1 and 1000