Miss. Code § 11-1-49
If the owner of any such cargo or shipment of such perishable commodities be a nonresident of the State of Mississippi and be made a defendant in any action at law or suit in any chancery court, in any court of this state, service of summons or process of such court may be served on such defendant by serving a copy thereof on any steamship agent, ship captain, or other ship's officer, railroad agent, railroad conductor, stevedore or other person having possession or control of such cargo or shipment and by mailing a copy thereof by registered mail addressed to the last known address of such defendant, return receipt requested. When any summons or process against such nonresident owner of such cargo or shipment has been returned so executed, the defendant shall be considered in court and the action or suit shall proceed as though personal service had been had on such defendant, nonresident owner of such cargo or shipment, and all other process or notices necessary to be served in any court proceeding may be served as herein provided.
Miss. Code § 11-1-49