Catonic wrote:
] Just discovered something interesting; gmail won't allow you
] to recieve RAR files. I had the occasion to need to recieve a
] RAR file with some documentation in it and discovered, much to
] my dismay, that gmail blocked the arbitrary extension ".rar".
] I changed the file to .tar, which passed through unimpeded,
] thus showing that no file-type detection is being used.
]
] Quite disturbing for those who use RAR for things other than
] piracy.

I think its anti-viral, not anti piracy :
http://www.gmailforums.com/lofiversion/index.php/t5328.html

RE: Gmail: Not an agent of piracy