![]() ![]() Personally, I disagree), and the more obfuscate, the better results you get. Having that said, the most basic techniques usually give good enough results (apparently, in some place in the world, that link is NSFW. and always the spammers found a way to get around them. We started using JavaScript tricks, inserting comments, URL-encide, etc. Then we started using images, spammers used OCR. ![]() The resulting email would be then it will find the second email Then spammers started teaching crawlers about finding certain domains, ignoring spaces, taking spaces into account, considering certain domain names, etc. First it will find the at in attic, then it will find the dot in dotted. We climbed into the attic and found a dotted piece of wood. The most intuitive counter-countermeasure would be to teach the crawler that at is actually Well, it's not that simple. ![]() Now, an easy countermeasure would be to replace the with at and the. until your reach the end of the line or a space. and what's behind it until you reach the Grab what's after the.
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