Yes, posts from united-forums are definitely being removed.
Less that 7 days old, and posted to two or more groups - not to be found in any.
I remember with the old VM servers when they ran news.ntlworld.com they did the same thing with filtering posts with certain phrases in the headers. It's annoying as anything.
Here is my thread from about 18 months ago:
http://www.cableforum.co.uk/board/12...ain-posts.html