4 ms·It requires manual interaction and obviously not scalable.by m00dy 10y agoIt requires manual interaction and obviously not scalable.mathrawka 10y agoIt's pretty easy to automate an email harvester. Then again just <firstname><lastname>@(gmail|yahoo|hotmail).com works for a lot of people.komali2 10y agoI'm convinced adding my middle initial to my email has been the most effective spam prevention technique I've implemented.