Hudhaifah (May Allah be pleased with him) said:
The Messenger of Allah (ﷺ) said, "The person who goes about with calumnies will never enter Jannah."[Al-Bukhari and Muslim]. (IT)
App reference (IT): Book 18, Hadith 26 (IT)
Arabic/English book reference (IT): Book 18, Hadith 1536 (IT)