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by ashley95 6 days ago
Right, maybe I worded my response a bit vaguely. Of course you need to do an opt-in and verify them.

My point was rather that if you are operating a service with human users, there is no need to deal with quoted local parts, mixed-case, non-ascii, etc. You will just run into bugs (oh, the user signed up on an iPhone and the email field was auto-capitalized and now they can't find their account?) for almost no marginal benefit.