Everyone knows what an email address is, right? (Quiz)
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A domaine without tld (me@home) is a valide address.
I saw an email server being used as a mqtt-like server this way (it is very old and predate those software).An address without a domain is irrelevant for a signin/registration form. Which is like 90% of the code being written in the wild to validate addresses.
If you're writing an email server, then you need to care about all these details. Most of us never will.
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I don't care who the IRS sends, I am not validating emails with spaces on them.
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I got 13/21. I mean thats not bad
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What if we
@
..? π€ -
I can't even view it...I get a TLS error
I get "not found". You got farther than me.
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Wow. if I ever have the madness required to self-host, I'll have my email at an IP address.
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I don't care who the IRS sends, I am not validating emails with spaces on them.
You shouldnβt be validating emails yourself anyway. Use a library or check for only the
@and then send an email confirmation. -
Same. I answered what i thought was correct and got 14!
14/21 gang
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I'm gonna have a mailbox per device and the addresses will be deviceip@serverip. [email protected].
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I don't validate emails, I test them.
That's your email? OK, what did we send it? if we couldn't send to it or the user can't read it there's no reason to accept it.
OK, maybe I do some light validation first, but I don't trust the email address just because it's email-address-shaped.
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I'm gonna have a mailbox per device and the addresses will be deviceip@serverip. [email protected].
Needs to be IPv6, including support for subnets to message multiple devices
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I don't validate emails, I test them.
That's your email? OK, what did we send it? if we couldn't send to it or the user can't read it there's no reason to accept it.
OK, maybe I do some light validation first, but I don't trust the email address just because it's email-address-shaped.
What kind of "light validation"? I'm guessing a
.*@.*regex match. -
What kind of "light validation"? I'm guessing a
.*@.*regex match.@matches -
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If qoutes are removed and internal spaces are invalid, how could
":(){β£:|:&β£};:"@example.combe valid? -
An address without a domain is irrelevant for a signin/registration form. Which is like 90% of the code being written in the wild to validate addresses.
If you're writing an email server, then you need to care about all these details. Most of us never will.
Hey! IPv6 is valid in the inter-network context and needs no dots!
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Hey! IPv6 is valid in the inter-network context and needs no dots!
You gonna fill an IPv6 address for your email server into the DoorDash signin page?
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What kind of "light validation"? I'm guessing a
.*@.*regex match.wrote last edited by [email protected]Almost correct. ^.+@.+$
Too hard to validate properly to be worth it. Even if it is technically valid that's insufficient. It must also work, and the easiest way to test that is to use it and verify that the user got what we sent.
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You shouldnβt be validating emails yourself anyway. Use a library or check for only the
@and then send an email confirmation.This is the way.
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Question 5 is incorrect,
name@exampleis a fully valid email address, even after RFC 2822The spec of RFC 2822 defines an address (3.4.1) as:
local-part "@" domaindomainis defined (3.4.1) as:domain = dot-atom / domain-literal / obs-domaindot-atomis defined (3.2.4) as:dot-atom = [CFWS] dot-atom-text [CFWS] dot-atom-text = 1*atext *("." 1*atext)1*atextmeaning at least 1 alphanumeric character, followed by*("." 1*atext)meaning at least 0"." 1*atext
If tomorrow, google decided to use its
googletop-level domain as an email domain, it would be perfectly valid, as could any other company owning top-level domainsGoogle even owns a
gmailTLD so I wouldn't even be surprised if they decided to use itwrote last edited by [email protected]I didn't understand this one. How do you have a no dot domain? Like you need to distinguish from example.com or example.wtf
Edit: do you mean if you own
.googleyou can have youremail@googleaddress? -
You gonna fill an IPv6 address for your email server into the DoorDash signin page?
Don't be ridiculous, I'm going to use an open source password manager to fill an IPv6 address for my email server into the DoorDash signin page.
