Ala. Code § 6-9-87

In sales of personal property, notice must be given by advertisement at the courthouse door and also by publication in a newspaper, if one is published in the county, for 10 days previous to such sale, but only one insertion in such newspaper shall be necessary. In sales of real property, the publication in such newspaper must be once a week for three successive weeks and by posting up notice for 30 days at the courthouse door previous to the sale.