Muslims respect Muhammad as a Prophet but do not worship him. The article explains Islamic beliefs about Muhammad through the Quran and Hadith.
In Islam, Muhammad is not considered the Messiah. The role of the Messiah is distinct and separate from Islamic beliefs.
Here is the message of the Messenger of Allah to Heraclius; the Roman emperor and Abu Sufian's speech with the emperor.
God carried and sustained His final message to believers and He placed and sustained prophet Muhammad love in Muslims hearts as well.