Readings
The Prophet ﷺ said:
مَنْ صَلَّى عَلَىَّ وَاحِدَةً صَلَّى اللَّهُ عَلَيْهِ عَشْرًا
Man salla 'alayya wahidatan sallallahu 'alayhi 'ashra
Whoever sends blessings upon me once, Allah sends blessings upon him ten times.
Source Ṣaḥīḥ Muslim, The Book of Prayers — site no. 814 Ṣaḥīḥ
Compiler cites Muslim 1/288
The Prophet ﷺ said:
لاَ تَجْعَلُوا قَبْرِي عِيدًا وَصَلُّوا عَلَىَّ فَإِنَّ صَلاَتَكُمْ تَبْلُغُنِي حَيْثُ كُنْتُمْ
La taj'alu qabri 'idan wasallu 'alayya fa inna salatakum tablughuni haythu kuntum
Do not make my grave a place of festivity, and send blessings upon me, for your blessings reach me wherever you are.
Source Sunan Abī Dāwūd 2042 Ṣaḥīḥ
Compiler cites Abū Dāwūd 2/218; Aḥmad 2/367; Ṣaḥīḥ Abī Dāwūd 2/383 (ṣaḥīḥ)
The Prophet ﷺ said:
الْبَخِيلُ الَّذِي مَنْ ذُكِرْتُ عِنْدَهُ فَلَمْ يُصَلِّ عَلَىَّ
Al-bakhilul-ladhi man dhukirtu 'indahu falam yusalli 'alayya
The miser is the one in whose presence I am mentioned and he does not send blessings upon me.
Source Jāmiʿ at-Tirmidhī 3546 Ṣaḥīḥ
Compiler cites at-Tirmidhī 5/551 and others; see Ṣaḥīḥ al-Jāmiʿ 3/25 and Ṣaḥīḥ at-Tirmidhī 3/177
The Prophet ﷺ said:
إِنَّ لِلَّهِ مَلاَئِكَةً سَيَّاحِينَ فِي الأَرْضِ يُبَلِّغُونِي مِنْ أُمَّتِي السَّلاَمَ
Inna lillahi mala'ikatan sayyahina fil-ardi yuballighuni min ummatis-salam
Allah has angels who roam the earth, conveying to me the greeting of peace from my Ummah.
Source Sunan an-Nasāʾī 1282 Ṣaḥīḥ · Musnad Aḥmad 3702
Compiler cites an-Nasāʾī 3/43; al-Ḥākim 2/421; Ṣaḥīḥ an-Nasāʾī 1/274 (ṣaḥīḥ)
The Prophet ﷺ said:
مَا مِنْ أَحَدٍ يُسَلِّمُ عَلَىَّ إِلاَّ رَدَّ اللَّهُ عَلَىَّ رُوحِي حَتَّى أَرُدَّ عَلَيْهِ السَّلاَمَ
Ma min ahadin yusallimu 'alayya ila raddallahu 'alayya ruhi hatta arudda 'alayhis-salam
No one greets me with peace but that Allah returns my soul to me so that I return his greeting.
Source Sunan Abī Dāwūd 2041 Ḥasan
Compiler cites Abū Dāwūd no. 2041; Ṣaḥīḥ Abī Dāwūd 1/383 (ḥasan)