Miss. Code § 43-35-109
Complaints or orders issued by a public officer pursuant to an ordinance adopted under this article shall be served upon persons either personally or by registered mail; but if the whereabouts of such persons is unknown, and the same cannot be ascertained by the public officer in the exercise of reasonable diligence, and the public officer shall make an affidavit to that effect, then the serving of such complaint or order upon such persons may be made by publishing the same once each week for two (2) successive weeks in a newspaper printed and published in the municipality, or, in the absence of such a newspaper, in one printed and published in the county and circulating in the municipality in which the dwellings are located. A copy of such complaint or order shall be posted in a conspicuous place on premises affected by the complaint or order. A copy of such complaint or order shall also be filed in the proper office or offices for the filing of lis pendens notices in the county in which the dwelling is located, and such filing of the complaint shall have the same force and effect as other lis pendens notices provided by law. The rules and evidence prevailing in courts of law or equity shall not be controlling in hearings before the public officer.
Miss. Code § 43-35-109