It is narrated from Sayyiduna Samurah (may Allah be pleased with him) that the Prophet (peace and blessings of Allah be upon him) said: "Do not curse one another with Allah's curse, nor say 'May Allah's wrath be upon you,' nor say 'You will enter Hell.'"
Hadith Referenceالادب المفرد / كتاب / 320
Hadith Gradingالألبانی:ضعيف
Hadith Takhrij«ضعيف : أخرجه أبوداؤد ، كتاب الأدب ، باب اللعن : 4906 و الترمذي : 1976 - انظر صحيح الترغيب : 2789»
Explanation & Benefits
Shaykh Maulana Usman Muneeb
Benefits and Issues: The chain of narration of this report is weak; however, from other authentic ahadith, cursing and reviling one another has been prohibited, as is also evident from the previous chapters.
Source: Fadlullah al-Ahad: Urdu Commentary on al-Adab al-Mufrad, Page: 320