Jami` at-Tirmidhi 2394
جامع الترمذي#2394SahihAbu Hurairah narrated:"The Messenger of Allah(s.a.w) ordered us to throw dut in the mouths of those who praise others
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih Lighairihi
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 36:92