Pauline Forgeries: 2 Thessalonians as a Test Case

In my previous post I started answering the question of how the letters not by Paul differ from the letters that are by Paul. In that post I pointed out that we know that there were Pauline forgeries in the early church (that is, letters written by authors who were claiming to be Paul when they were in fact someone else). No one doubts that. We have letters from outside the NT that claim to be by Paul but were absolutely not: 3 Corinthians, the Letter to the Laodiceans, and the 12 letters exc...