[Machine] No one was more revered than the Messenger of Allah ﷺ , and his companions used to write to him by addressing the letter from so-and-so to Muhammad, the Messenger of Allah ﷺ .
مَا كَانَ أَحَدٌ أَعْظَمَ حُرْمَةً مِنْ رَسُولِ اللهِ ﷺ وَكَانَ أَصْحَابُهُ إِذَا كَتَبُوا إِلَيْهِ كَتَبُوا مِنْ فُلَانٍ إِلَى مُحَمَّدٍ رَسُولِ اللهِ ﷺ