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Oh, I assumed the recommendation was to store the actual email address as entered, and then also generate the fingerprint to compare for similarity. Wouldn't yo
by neltnerb 9y ago
Oh, I assumed the recommendation was to store the actual email address as entered, and then also generate the fingerprint to compare for similarity. Wouldn't you just keep both?
- mhandley 9y agoThe problem is that jo.elane@example.com and joe.lane@example.com can be different people, or jan.eton@example.com and jane.ton@example.com. On gmail, they can't, but on my university email system for example, this is the default naming convension for circa 50,000 people. If you consider them to be the same, one of them can't sign up to your service. How often this happens? Probably not all that often. But if you run a popular service, it will bite a few people.