苟世录

开启了验证码还是防不住spam的侵袭，还是以每天100多spams的速度增长，两天没清理，已经达到10000条了。

清除还是小事，spam每天都吃去一部分流量，消耗着系统资源，不知有何方法可以对spam有明显效果。

Technorati Tags: spam

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