[A]n electronic mail message the primary purpose of which is —
(i) to facilitate, complete, or confirm a commercial transaction that the recipient has previously agreed to enter into with the sender;
(ii) to provide warranty information, product recall information, or safety or security information with respect to a commercial product or service used or purchased by the recipient;
(iii) to provide —
(I) notification concerning a change in the terms or features of;
(II) notification of a change in the recipient's standing or status with respect to; or
(III) at regular periodic intervals, account balance information or other type of account statement with respect to,
a subscription, membership, account, loan, or comparable ongoing commercial relationship involving the ongoing purchase or use by the recipient of products or services offered by the sender;
(iv) to provide information directly related to an employment relationship or related benefit plan in which the recipient is currently involved, participating, or enrolled; or
(v) to deliver goods or services, including product updates or upgrades, that the recipient is entitled to receive under the terms of a transaction that the recipient has previously agreed to enter into with the sender.”[1]