Miss. Code § 51-31-25
Upon the petition being filed in the office of the clerk of said chancery court, said clerk shall cause three weeks' notice of the filing of said petition to be given, addressed "To all persons interested," by posting notices thereof at the door of the courthouse of the county or counties in which the district is situated and in at least ten of the most public places in said proposed district, and also by publishing said notice at least once a week for three consecutive weeks in some newspaper or newspapers published in the county in which the larger part of said district lies, if there be any newspaper published in said county. Such notice shall state when and in what court said petition was and is filed, with the general description of the land included in the said proposed drainage district and the boundaries of said drainage district, and when the said petitioners will ask a hearing of said petition. If any of the landowners in said district are nonresidents of said county or counties in which said proposed district will lie, or nonresidents of this state, the petition shall be accompanied by an affidavit giving the names and post office address of said nonresidents, if known, and if unknown, stating that upon diligent inquiry their places of residence and post offices cannot be ascertained; and the clerk shall send a copy of the notice which has been published as above provided by registered mail to each of said nonresidents whose residence or post office is known, which notice shall be mailed by said clerk not later than five days before the date set for hearing of the petition. The certificate of the clerk, with registered letter receipts attached, or the affidavit of any other credible person affixed to copy of such notice shall be sufficient evidence of the posting, mailing, and publication of such notice.
Miss. Code § 51-31-25