(515) بَابُ: كَيْفَ الرَّدُّ عَلَى أَهْلِ الذِّمَّةِ؟
Ibn 'Abbas said, "Return the greeting to whomever it is, Jew,Christian, or Magian. That is because Allah says, 'When you are greetedwith a greeting, greet with one better than it or return it.' (4:
86)" (RU)
Reference (RU): Al-Adab Al-Mufrad 1107 (RU)
In-book reference (RU): Book 44, Hadith 7 (RU)
English translation (RU): Book 44, Hadith 1107 (RU)