Tenn. Code Ann. § 35-5-103: Posting written notices

Whenever the advertisement cannot be made in a newspaper, the officer shall make publication of the sale for thirty (30) days by written notices posted in at least five (5) of the most public places in the county, one (1) of which shall be the courthouse door, and another in the neighborhood of the defendant; if of realty, in the civil district where the land lies.