Method setReject

worker-configuration.d.ts:4751–4751

* Reject this email message by returning a permanent SMTP error back to the connecting client including the given reason. * @param reason The reject reason. * @returns void

(reason: string)

     * @returns void
     */
    setReject(reason: string): void;
    /**
     * Forward this email message to a verified destination address of the account.
     * @param rcptTo Verified destination address.