Looks like the website is sending back a completely bogus 302 response; it includes two different "Location:" headers:
Code:
Location: http://www.e90post.com/forums/showthread.php?goto=newpost&t=483544
Location: http://www.m3post.com/forums/showthread.php?p=13765796#post13765796
According to RFC 1945, having duplicate Location headers is invalid. This bug makes the site quite awkward to use; is a fix planned?