What is the authenticity of messages sent from chapters of the Qur’an, accompanied by a request to spread them so they may be counted as an ongoing charity (Sadaqah Jariyah) until the Day of Judgment, and are they indeed considered as such?

"Sadaqah Jariyah (ongoing charity) is understood by most scholars to mean waqf (endowment), which is the dedication of an asset and the channeling of its benefits. Based on this, Quranic messages sent via communication channels are not considered Sadaqah Jariyah because they are not an asset that is dedicated and whose benefit remains. However, they fall under the category of spreading knowledge and good, for which the doer is rewarded, as the Prophet, peace and blessings be upon him, said: 'Indeed, among the good deeds and merits that will reach a believer after his death are: knowledge he taught and spread...' (Hadith)."