Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • World
  • Users
  • Groups
Skins
  • Light
  • Brite
  • Cerulean
  • Cosmo
  • Flatly
  • Journal
  • Litera
  • Lumen
  • Lux
  • Materia
  • Minty
  • Morph
  • Pulse
  • Sandstone
  • Simplex
  • Sketchy
  • Spacelab
  • United
  • Yeti
  • Zephyr
  • Dark
  • Cyborg
  • Darkly
  • Quartz
  • Slate
  • Solar
  • Superhero
  • Vapor

  • Default (No Skin)
  • No Skin
Collapse
Brand Logo

agnos.is Forums

  1. Home
  2. Programmer Humor
  3. Everyone knows what an email address is, right? (Quiz)

Everyone knows what an email address is, right? (Quiz)

Scheduled Pinned Locked Moved Programmer Humor
programmerhumor
140 Posts 105 Posters 2 Views
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • P [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 .google you can have your email@google address?

    D This user is from outside of this forum
    D This user is from outside of this forum
    [email protected]
    wrote last edited by
    #92

    Yes, the top-level domain is still just a domain. I'm not aware of any public Internet services which are reachable from a TLD directly, and it's strongly discouraged by ICANN, but there isn't any technical limitation preventing e.g. someone at Verisign from setting up example@com.

    1 Reply Last reply
    2
    • johnedwa@sopuli.xyzJ [email protected]

      But they will work, and according to the spec, you have to build your system so that it can handle those cases. Obsolete doesn't mean incorrect or invalid, just a "you shouldn't do this any more".

      Obsolete Syntax
      Earlier versions of this standard allowed for different (usually more
      liberal) syntax than is allowed in this version. Also, there have
      been syntactic elements used in messages on the Internet whose
      interpretation have never been documented. Though some of these
      syntactic forms MUST NOT be generated according to the grammar in
      section 3, they MUST be accepted and parsed by a conformant receiver.

      https://datatracker.ietf.org/doc/html/rfc2822#section-4

      N This user is from outside of this forum
      N This user is from outside of this forum
      [email protected]
      wrote last edited by
      #93

      Well shit, yeah, that "MUST be accepted and parsed" is pretty explicit. That sucks. What is even the point of revising standards? How the fuck do we ever get rid of some of these bad ideas?

      1 Reply Last reply
      2
      • ikidd@lemmy.worldI [email protected]

        I gave up when I got like 5 wrong. I've ran mail servers for decades, most of the invalid "valids" would get rejected by any mailservers I've administered.

        P This user is from outside of this forum
        P This user is from outside of this forum
        [email protected]
        wrote last edited by
        #94

        And for a good reason.

        1 Reply Last reply
        3
        • E [email protected]

          And is it really valid if my email provider doesn't accept it? If it's not universally accepted or standard, then it doesn't matter if it's technically valid.

          magnum@lemmy.dbzer0.comM This user is from outside of this forum
          magnum@lemmy.dbzer0.comM This user is from outside of this forum
          [email protected]
          wrote last edited by
          #95

          The RFC is the standard.

          1 Reply Last reply
          12
          • F [email protected]

            I got 14/21

            dditty@lemmy.dbzer0.comD This user is from outside of this forum
            dditty@lemmy.dbzer0.comD This user is from outside of this forum
            [email protected]
            wrote last edited by
            #96

            Me too and it said that is the amount you'd get if you just picked "valid" for every response. Lmao

            1 Reply Last reply
            2
            • T [email protected]
              This post did not contain any content.
              W This user is from outside of this forum
              W This user is from outside of this forum
              [email protected]
              wrote last edited by
              #97

              I scored 14/21 on https://e-mail.wtf/ and all I got was this lousy text to share on social media.

              I actually died at the poop emoji one. Actually amazing awareness to test for that

              1 Reply Last reply
              12
              • T [email protected]
                This post did not contain any content.
                R This user is from outside of this forum
                R This user is from outside of this forum
                [email protected]
                wrote last edited by [email protected]
                #98

                Well... like Bill Clinton said, it depends on what the definition of "is" is.

                1 Reply Last reply
                2
                • R [email protected]

                  Now i just need a registrar that allows emoji...

                  adrianthefrog@lemmy.worldA This user is from outside of this forum
                  adrianthefrog@lemmy.worldA This user is from outside of this forum
                  [email protected]
                  wrote last edited by [email protected]
                  #99

                  Any should. Any unicode is converted to alphabetical anyways, through "xn--" + a punycode conversion. Which is actually fairly important for places that don't use the Latin alphabet.

                  See http://xn-bdk.gay/, which is the same as http://ツ.gay/

                  (Someone set this up on 196 a while ago, they said they were using Namecheap)

                  R 1 Reply Last reply
                  2
                  • T [email protected]

                    You shouldn’t be validating emails yourself anyway. Use a library or check for only the @ and then send an email confirmation.

                    W This user is from outside of this forum
                    W This user is from outside of this forum
                    [email protected]
                    wrote last edited by [email protected]
                    #100

                    Use a library

                    Please, no. If someone wrote email address "validation" complex enough to warrant a library, then their code is almost certainly wrong.

                    or check for only the @ and then send an email confirmation.

                    Yes. Do that.

                    If your boss demands a more detailed check at input time, then make it display warnings, not errors, and continue to the confirmation sending step if the user chooses to ignore the warning.

                    1 Reply Last reply
                    5
                    • T [email protected]
                      This post did not contain any content.
                      C This user is from outside of this forum
                      C This user is from outside of this forum
                      [email protected]
                      wrote last edited by
                      #101

                      Also as the registrant of one of those new fancy TLDs, much like the owner of this website (email.wtf), their own email addresses will fail those stupid email validation checks that only believe in example@example.[com|net|org]

                      Shitty websites will fail "[email protected]", guaranteed - despite it being 100% valid AND potentially live.

                      Source - I have a ".family" domain for my email server. Totally functional, but some shitty websites refuse to believe it.

                      L A B N 4 Replies Last reply
                      19
                      • T [email protected]
                        This post did not contain any content.
                        H This user is from outside of this forum
                        H This user is from outside of this forum
                        [email protected]
                        wrote last edited by
                        #102

                        12/21. It was highly entertaining though.

                        1 Reply Last reply
                        6
                        • adrianthefrog@lemmy.worldA [email protected]

                          Any should. Any unicode is converted to alphabetical anyways, through "xn--" + a punycode conversion. Which is actually fairly important for places that don't use the Latin alphabet.

                          See http://xn-bdk.gay/, which is the same as http://ツ.gay/

                          (Someone set this up on 196 a while ago, they said they were using Namecheap)

                          R This user is from outside of this forum
                          R This user is from outside of this forum
                          [email protected]
                          wrote last edited by
                          #103

                          oh jesus, rabbit hole accepted, thanks!

                          1 Reply Last reply
                          1
                          • tomasekeli@programming.devT [email protected]

                            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.

                            W This user is from outside of this forum
                            W This user is from outside of this forum
                            [email protected]
                            wrote last edited by [email protected]
                            #104

                            I don’t validate emails, I test them.

                            Hooray! You get a gold star.

                            OK, maybe I do some light validation first,

                            I hope your "validation" does nothing more than show a warning that the user is allowed to ignore.

                            I have seen too many systems built by people who think they know what's valid or not before and after the @ sign*, and they are almost always dead wrong. In the worst cases, such systems accept an unusual-looking address and claim to send the expected verification message, but never actually send it. Of course, these systems won't work for some people, and since none of their online docs or support staff know why, those people will be locked out of using the system and funneled into bottomless pit of misery if they try. Please don't build broken garbage like this.

                            *Fun fact: Not so terribly long ago, even the @ sign didn't have to be present. Some email addresses were bang paths. I'm not sure if any of these are still in use, but it wouldn't shock me to learn that they are.

                            1 Reply Last reply
                            0
                            • I [email protected]

                              Let us recite the email validator’s oath:

                              If it has something before the @, something between the @ and the ., and something after the ., it’s valid enough.

                              K This user is from outside of this forum
                              K This user is from outside of this forum
                              [email protected]
                              wrote last edited by
                              #105

                              The ultimate validation is to see if it gets sent.

                              1 Reply Last reply
                              10
                              • E [email protected]

                                And is it really valid if my email provider doesn't accept it? If it's not universally accepted or standard, then it doesn't matter if it's technically valid.

                                kairubyte@lemmy.dbzer0.comK This user is from outside of this forum
                                kairubyte@lemmy.dbzer0.comK This user is from outside of this forum
                                [email protected]
                                wrote last edited by
                                #106

                                If your email provider doesn’t accept [email protected] is it then invalid?

                                1 Reply Last reply
                                3
                                • N [email protected]

                                  I scored 16/21 on https://e-mail.wtf/ and all I got was this lousy text to share on social media.

                                  This was fun!

                                  Edit: people, upvote the OP, not me

                                  E This user is from outside of this forum
                                  E This user is from outside of this forum
                                  [email protected]
                                  wrote last edited by
                                  #107

                                  Don't tell me what to do!

                                  1 Reply Last reply
                                  0
                                  • T [email protected]
                                    This post did not contain any content.
                                    P This user is from outside of this forum
                                    P This user is from outside of this forum
                                    [email protected]
                                    wrote last edited by
                                    #108

                                    nice. though valid but obsolete is not a thing... if it's obsolete it's invalid.

                                    G 1 Reply Last reply
                                    20
                                    • Z [email protected]

                                      Even if it's a completely valid address and the domain exists, they still might've fat fingered the username part. Going to extreme lengths to validate email addresses is pointless, you still have to send an email to it anyway.

                                      P This user is from outside of this forum
                                      P This user is from outside of this forum
                                      [email protected]
                                      wrote last edited by
                                      #109

                                      I seem to have annoyed an admin of an instance enough for them to subscribe my signup email to hundreds of dating profiles (presumably using a service that offers to harass someone for you)

                                      Many of them aren't good at validating email

                                      One in ten has one email arrive, asking me to click a link to confirm

                                      9 in ten have 5 emails before I notice them:

                                      • Please click a link to confirm
                                      • You received a wink
                                      • You received a wink
                                      • You received 3 chat requests
                                      • You received a link

                                      So it's important to not send emails beyond the validate one to unvalidated addresses, to perfect your service annoying or harassing this parties

                                      Also, use a disposable address for signing up to Lemmy

                                      1 Reply Last reply
                                      1
                                      • C [email protected]

                                        Also as the registrant of one of those new fancy TLDs, much like the owner of this website (email.wtf), their own email addresses will fail those stupid email validation checks that only believe in example@example.[com|net|org]

                                        Shitty websites will fail "[email protected]", guaranteed - despite it being 100% valid AND potentially live.

                                        Source - I have a ".family" domain for my email server. Totally functional, but some shitty websites refuse to believe it.

                                        L This user is from outside of this forum
                                        L This user is from outside of this forum
                                        [email protected]
                                        wrote last edited by
                                        #110

                                        Yeah I have a .engineering for my biz. I also registered mycompanyengineering.com to get through places that won’t take the new TLDs.

                                        Usually banks.

                                        appoxo@lemmy.dbzer0.comA 1 Reply Last reply
                                        1
                                        • scoopta@programming.devS [email protected]

                                          I can't even view it...I get a TLS error

                                          nailbar@sopuli.xyzN This user is from outside of this forum
                                          nailbar@sopuli.xyzN This user is from outside of this forum
                                          [email protected]
                                          wrote last edited by
                                          #111

                                          My phone blocked the site, citing "harmful content"

                                          1 Reply Last reply
                                          0
                                          Reply
                                          • Reply as topic
                                          Log in to reply
                                          • Oldest to Newest
                                          • Newest to Oldest
                                          • Most Votes


                                          • Login

                                          • Login or register to search.
                                          • First post
                                            Last post
                                          0
                                          • Categories
                                          • Recent
                                          • Tags
                                          • Popular
                                          • World
                                          • Users
                                          • Groups