Miss. Code § 83-21-41
Service of process in any such action, suit or proceeding shall, in addition to the manner provided in Section 83-21-39, be valid if served upon any person within the state who, in this state on behalf of such insurer, is (1) soliciting insurance, or (2) making, issuing or delivering any contract or insurance, or (3) collecting or receiving any premium, membership fee, assessment, or other consideration for insurance; and a copy of such process is sent within ten (10) days thereafter by registered mail or certified mail by the plaintiff or plaintiff's attorney to the defendant at the last known principal place of business of the defendant, and the defendant's receipt, or the receipt issued by the post office with which the letter is registered, showing the name of the sender of the letter and the name and address of the person to whom the letter is addressed, and the affidavit of the plaintiff or plaintiff's attorney showing a compliance herewith are filed with the clerk of the court in which such action is pending on or before the date the defendant is required to appear, or within such further time as the court may allow. Nothing in Sections 83-21-33 through 83-21-51 shall limit or abridge the right to serve any process, notice, or demand upon any insurer in any other manner now or hereafter permitted by law or the Mississippi Rules of Civil Procedure.
Miss. Code § 83-21-41