Miss. Code Ann. § 13-3-83

All notices provided for by law appertaining to actions, suits or proceedings of any kind in any court shall be served and returned by the sheriff or any constable of the county, or the marshal of any city, town or village therein in which such notices are to be served, to whom such notices may be delivered for that purpose. However, service of summonses and subpoenas in all courts except justice court shall be governed by the Mississippi Rules of Civil Procedure and in every instance, every order required by its terms to be served, every pleading subsequent to the original complaint unless the court otherwise orders because of numerous defendants, every paper relating to discovery required to be served upon a party unless the court otherwise orders, every written motion other than one which may be heard ex parte, and every written notice, appearance, demand, offer of judgment, designation of record on appeal and similar paper shall be served and filed in accordance with the provisions of the Mississippi Rules of Civil Procedure.