Abu Al-Darda' said: I heard the Messenger of Allah (ﷺ) say: When a Muslim supplicates for his absent brother the angels say: Amin, and may you receive the like.
Abu Dharr reported that Allah's Messenger (ﷺ) said: There is no believing servant who supplicates for his brother behind his back (in his absence) that the Angels do not say: The same be for you too.
Umm Darda' reported: My husband reported that he heard Allah's Mes- senger (ﷺ) as saying: He who supplicates for his brother behind his back (in his absence), the Angel commissioned (for carrying supplication to his Lord…