Rich Kulawiec wrote:
On Mon, Oct 26, 2009 at 12:45:12PM +0800, Yao Ziyuan wrote:
The main idea is if a message is considered spam, this spam status
can be tracked by the sender (but not sent to him directly, as the From
field can be faked).
Providing useful intelligence about (a particular site's) spam filters
to spammers is a seriously bad idea.
On the other hand, consider valid the hypothesis that spammers don't
know what kind of filter is being used (by some particular site) is also
a bad idea.
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