قَالَ ﷺ: «إنَّ لِلَّهِ مَلائِكَةً سَيَّا حِيْنَ فِي الأرْضِ، يُبَلِّغُونِي مِنْ أُمَّتِي السَّلامَ»

The Prophet \pbuh: “Allāh exalted is He, has got angels scouring the earth to spread the salutations of my community.”

Reference: The Prophet \pbuh: “Allāh exalted is He, has got angels scouring the earth to spread the salutations of my community.” Al-Nasāʾī (3/43) and al-Hākim (2/421). Al-Albānī authenticated it in _Ṣaḥīḥ al-Nasāʾī_ (1/274).