How authentic is the Hadith: "The most of you to send blessings upon me will have the most wives in Paradise"?

The mentioned Hadith: "The one among you who sends the most blessings upon me will have the most spouses in Paradise" has no origin from the Messenger of Allah, peace and blessings be upon him, and no chain of transmission is known for it. Ibn al-Jawzi mentioned it without an isnad (chain of transmission), and al-Sakhawi and Ibn Hajar al-Haytami quoted it from "Sahib al-Durr al-Munazzam," but both affirmed that they did not find any isnad for it. The authentic Ahadith that have been narrated concerning the virtue of sending blessings upon the Prophet, peace and blessings be upon him, are sufficient and render such a Hadith unnecessary.