The companions of the Prophet ﷺ said to him, "The People of the Book greet us with salaam. How should we respond to them?"He said, "Say, 'And upon you.'"
حدثنا عمرو بن مرزوق أخبرنا شعبة عن قتادة
أن أصحاب النبي ﷺ قالوا للنبي إن أهل الكتاب يسلمون علينا فكيف نرد عليهم قال قولوا وعليكم
Reported by Muslim, Book of Salam, chapter on the prohibition of initiating the greeting with the People of the Book, etc., Hadith 2163, from the hadith of Shubah, through him. Bukhari also reported it, Hadith 6258, from the hadith of Anas, through him.The hadith of Ayesha, reported by Bukhari, Hadith 6024, and Muslim, Hadith 2165.The hadith of Abu Abdul-Rahman Juhani, reported by Ibn Majah, Hadith 3699.The hadith of Abu Basra Ghifari, reported by Ahmad, 6/398, and Nasai in Kubra, Hadith 10220, and Bukhari in Adab al-Mufrad, Hadith 1102.