目前已经有验证码校验功能 后台是dedecms 经常收到网友的恶意提交 刷了一大堆邮箱留言 怎么防止网友重复提交 恶意刷留言
回复讨论(解决方案)
限制ip一定时间内提交次数
限制ip一定时间内提交次数
这是一个办法，但是别人有时候会通过代理来随机ip，你也可以加大你的验证码识别难度
限制ip一定时间内提交次数
我的在线留言是提交到邮箱的 没有连接数据库 怎么限制IP 求指导 谢谢！
限制ip一定时间内提交次数
在每次发送邮件前，加上判断，比如你建一个数据库表，每次提交记录一下ip，并判断提交次数。
建一个数据库表，每次提交记录一下ip，并判断提交次数。在每次发送邮件前，加上判断并且限制ip一定时间内提交次数。
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