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It seems that your suggestion is that ISP is a good signal for detecting spam, but it's not obvious to me that this is true. For example a site targeted by a bo
by remus 7y ago
It seems that your suggestion is that ISP is a good signal for detecting spam, but it's not obvious to me that this is true. For example a site targeted by a botnet could be hit with traffic from a wide range of otherwise legitimate looking ISPs, in which case you're going to be getting a lot of spam on your website.
- rbritton 7y agoIn our experience, country of origin is a better heuristic for possible abuse than an individual ISP is. Most malicious traffic comes from a fairly small number of countries, many of which are the obvious culprits. That kind of data is never guaranteed accurate, though.