Sunan an-Nasa'i 1297
سنن النسائي#1297SahihAnas bin Malik said:"The Messenger of Allah (ﷺ) said: "Whoever sends salah upon me once, Allah (SWT) will send salah upon him tenfold, and will erase ten sins from him, and will raise him ten degrees in status
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 13:119