The Messenger of Allah ﷺ delivered a sermon from the pulpit.
حدثنا وكيع حدثنا سلمة بن وردان قال سمعت
خطب رسول الله ﷺ على المنبر
No references are available.
Its isnad is sahih, and it is found in Bukhari, 2/11, in the Book of Jumuah, chapter on delivering the sermon from the pulpit.