Every message that arrives is signed for, logged and kept.
Mailhaven verifies the delivery before it stores anything, files the metadata, then fetches the body and attachments with retries. Nothing is lost to a bad minute at the provider.
How a delivery is handled
Signature verified
svix-id · svix-timestamp · v1
Metadata filed
deduped on message-id
Content fetch queued
attempt 1 · backoff 5s