ConstReadonlysignature: "X-MxRaven-Signature"The sha256=<hex> HMAC.
ReadonlysignatureKid: "X-MxRaven-Signature-Kid"The signing key ID.
Readonlytimestamp: "X-MxRaven-Timestamp"The Unix signing time in seconds.
ReadonlywebhookId: "X-MxRaven-Webhook-ID"The delivery ID, which is the delivery task ID.
The mxRaven signature headers.
HTTP header names are case-insensitive; these constants carry the canonical spelling used by mxRaven.