“Here's a talk on the topic”
Talk on email address validity.
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The email standard does include the +, yes. Here's a talk on the topic: this video But yes, that's why Fastmail supports the alternative syntax.
So you think you can validate email addresses A journey down RFC5321
27K views · Feb 10, 2018 · 16:26 · 0 HN recommenders · 4 mentions · discussed 2019–2025
Stavros Korokithakis gives a FOSDEM 2018 talk on how hard it is to validate email addresses properly, taking a tour through RFC 5321.
Why Hacker News points people here: Linked whenever email validation comes up as a fun illustration of how deceptively difficult it is.
“illustrates the difficulty of email validation well”HN comment, 2022
What Hacker News said 4
“always relevant”
Talk on difficulties validating email addresses.
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always relevant: "So you think you can validate email addresses": this video Which is also why proposals to put email certs (S/MIME, OpenPGP) in the DNS led to hashing the local part, as DNS only allows ASCII and is case insensitive.
“illustrates the difficulty of email validation well”
Author's fun talk on email validation difficulty.
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I gave a very fun talk on the topic in FOSDEM (VOLUME WARNING!): this video It's more a joke than edifying, but it was very fun for me (and, I think, the audience), and illustrates the difficulty of email validation well.
Author's earlier presentation on same topic.
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This is fun, but it feels suspiciously close to my old presentation about the exact same thing: this video Maybe it's just a coincidence, but a shoutout would have been nice if not.