Bad Design

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For sharing any badly designed websites or applications you come across. Please only post things that are connected to programming.dev topics (e.g. dont post something badly designed in real life)

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Email field without an @ sign (programming.dev)

submitted 7 months ago by [email protected] to c/[email protected]

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[–] [email protected] 26 points 7 months ago (1 children)

Pretty funny considering the @ is pretty much the only character that's absolutely necessary in an email address

[–] mercano 10 points 7 months ago (2 children)

You need at least one dot between the @ and the last character. You used to be able to say that you needed a . as either the third or fourth character from the end, but now that we have TLDs that aren’t two or three characters, you can’t be that specific.

[–] [email protected] 29 points 7 months ago (1 children)

I believe that according to the RFC you can send mail to @localhost, the period is not strictly necessary

[–] mercano 7 points 7 months ago

You are technically correct. (The very best kind of correct.)

[–] [email protected] 9 points 7 months ago

What about ip6 address as a host? They don't use dots. You can also specify a ip4 address as just a single number. Also there is a tld with an Mx record, which would mean there is no dots either. Best to just check for one or more characters before and after the at sign, then send an email to verify.