Did Paul read aloud his letters to the Corinthians? To the Philippians? Other books?

I'd like to know if there's evidence that Paul presented his letters (e.g., Corinthians, Philippians, etc.) in the manner of spoken sermons to people of various churches, or if his letters were written and only quietly read. I'm asking because I think it would alter my experience of reading the text, as so far I have simply read it as a thoughtfully written letter, not while imagining a crowd before this one guy speaking.