(512) بَابُ إِذَا كَتَبَ الذِّمِّيُّ فَسَلَّمَ، يُرَدُّ عَلَيْهِ
Abu 'Uthman an-Nahdi said, "Abu Musa wrote to a Persian grandeeand greeted him in his letter. He was asked, 'Do you greet him when heis an unbeliever?' He replied, 'He wrote to me and greeted me, so I haveanswered him.'" (ES)
Reference (ES): Al-Adab Al-Mufrad 1101 (ES)
In-book reference (ES): Book 44, Hadith 1 (ES)
English translation (ES): Book 44, Hadith 1101 (ES)