If a foreign trustee of real property in this state fails to designate some person or persons who may be found and served with notice, summons, or process in this state, service of summons, notice, or process shall be made upon the trustee by serving a copy of the petition or other pleading, with process attached thereto on the Secretary of State, along with a copy of the affidavit to be submitted to the court pursuant to this Code section. The service shall be sufficient service upon the nonresident trustee, provided that notice of the service and a copy of the petition and process is forthwith sent by registered or certified mail or statutory overnight delivery by the plaintiff or his agent to the trustee, in the state where the trustee resides, and the return receipt and the affidavit of the plaintiff as to compliance with this Code section are appended to the summons or other process and filed with the summons, petition, and other papers in the court where the action is pending. The Secretary of State shall charge and collect a fee as set out in Code Section 45-13-26 for service of process on him under this Code section.