Are there any Christians who have rejected the Pauline Epistles of the New Testament? I have known a few in real life and they come to the conclusion that the Pauline chapters of the new Testament are not divinely inspired.
Considering the nature of how Paul came to know Isa it has been debate by a few minor Christian movement that Paul has no relevance to to the Bible. This mainly stems from how Paul separates Jesus from god as a second entity himself. For examples verses 1 Corinthians 8:6 and 1 Corinthians 1:30 establish this notion.
As some have mentioned, there are groups that do reject Paul. I can speak from a few perspectives, based on my background.
Fundamentalists and evangelicals (at least those who were a part of the church I belonged to and briefly ministered at) accept Paul fully. They see no problems between the two, and in fact, read both the Gospels and Paul as supporting the idea of a Trinity. Since Paul was said to have had his message revealed to him by Jesus, the message then is what Jesus wanted.
Lutherans (and I'm speaking more from an academic perspective here; specifically from the ELCA branch, which is more liberal), also accept Paul. They do differentiate between Paul and pseudo-Paul. The also tend to accept that there are problems in the Pauline work. Part of this is with interpolations, others have to do with misunderstanding, and others have to do with Paul possibly changing his mind a bit, or being swept up in his arguments. They don't reject Paul, but see that there are difficulties with Paul (Catholics, at least the more liberal ones, see it this way as well. This is what is generally taught in mainline seminary, as well as mainline colleges).
Personally, I align more with Progressive Christianity. Again, no rejection of Paul, but an understanding that Paul is complicated. Some of the so called Pauline ideas are rejected (and this is true with the Lutherans I described above), such as men being superior to women (which are considered interpolations, or pseudo-Paul). But Paul as a whole is accepted.
Just as a side note. Much of Pauline thought in Christian circles is going towards what is called the "New Perspective" (part of it is also going to a subset of that group called a "Radical New Perspective") on Paul. This is something accepted by most scholars and theologians, regardless of denomination (at least in regards to mainstream groups). This has caused, in many denominations, a new found respect and admiration of Paul. So Paul is being more accepted by many.