Except as expressly provided in this section, no trust deed shall waive the requirements of publication of notice required by this section.
In all cases, a copy of such notice shall be served on the grantor in such trust deed, or his agent or personal representative, by certified mail, return receipt requested, directed to the address shown by the grantors on the deed of trust or such other address given to the beneficiary of said trust deed or said beneficiary's agent or assignee in writing by the said grantor subsequent to the execution and delivery of the trust deed and notice shall be deemed complete when such notice is mailed to the aforesaid address, notwithstanding the fact that such mail may be returned as refused or undeliverable and shall be served by certified mail, at least twenty days prior to the sale, upon any subordinate lienholder who has previously notified the primary lienholder by certified mail of the existence of a subordinate lien. Every trust deed shall state the address to which such notice shall be mailed.
Every notice of sale by a trustee under a trust deed shall show the following particulars: (a) The time and place of sale; (b) the names of the parties to the deed under which it will be made; (c) the date of the deed; (d) the office and book in which it is recorded; (e) the quantity and description of the land or other property or both conveyed thereby; and (f) the terms of sale.
Notice to a subordinate lienholder shall be complete when such notice is mailed in accordance with the provisions of this section, directed to the address of the subordinate lienholder as provided by such subordinate lienholder in the notice of existence of a subordinate lien.
The provisions of this section relating to the methods of serving notice are not exclusive. In addition to, but not in lieu of, any service of notice required by the provisions of this section, service of such notice may be also made by any other method authorized for the service of original process in the circuit courts of this state by statute or by the rules of civil procedure for trial courts of record.
An individual who purchases property at a trustee's sale is under no duty to ascertain whether notice was given to subordinate lienholders in accordance with the provisions of this section, and such right, title and interest as the purchaser may acquire shall not be affected by defects in such notice or the service thereof, if the purchaser is otherwise a bona fide purchaser for value.