1. The collector shall also cause to be prepared and mailed in an envelope with postage prepaid, within thirty days after the filing of such petition, a brief notice of the filing of the suit, to the persons named in the petition as having an interest in the parcel, according to the records of the assessor for, or otherwise known to the collector, the respective parcels of real estate described in the petition. The notices shall be sent to the addresses most likely to apprise the parties of the proceedings as provided, and in the event that any name or address does not appear on the records of the assessor, with respect to any parcel of real estate, the collector shall so state in an affidavit, giving the serial number of each parcel of real estate affected. Such affidavit shall be filed in the suit with the circuit clerk not later than sixty days after the date of the first publication of the notice of foreclosure. The failure of the collector to mail the notice as provided in this section shall invalidate any proceedings brought pursuant to the provisions of sections 92.700 to 92.920. The failure of the collector to file the affidavit as provided in this section shall not affect the validity of any proceedings brought pursuant to the provisions of sections 92.700 to 92.920.
2. Such notice shall be substantially as follows: