Comment on For security reasons

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scrion@lemmy.world ⁨6⁩ ⁨months⁩ ago

The local parts of email addresses are standardized, and there is an RFC handling subadressing as well, see RFC 5233 - it’s not like Gmail invented this behavior.

Also, RFC 5321 clearly states (2.3.11) that the local part of an email must only be interpreted by the receiving server, so that part should not be parsed, modified or mangled in any form - the assumptions poor web forms or validation libraries make these days are incredibly annoying and simply not compliant.

So no, non of your suggestions are good, let alone ideal. Ideally, people would simply implement the specs and stop making lazy and false assumptions. In the case you cited, it turns out email validation is simply not the proper tool to limit how often the form can be submitted. Similar websites use e. g. text messages.

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