Verify an e-mail-adress - syntax and dns

[Christophe]

Steve Holden a écrit :
> Christophe wrote:
>> Steven D'Aprano a écrit :
>>
>>> By memory, in an thread about the same topic just a few days ago, 
>>> Fredrik
>>> Lundh posted a link to Perl's FAQs that suggests a method for 
>>> "validating"
>>> email addresses: treat it like a password and ask the user to type it
>>> twice. That will protect against simple typos and input errors.
>>
>>
>> I hate that thing. When I see that, I type my email once and 
>> copy/paste into the second edit box. This is useless AND annoying at 
>> the same time.
> 
> Probably safe to say it's a little less useful when the text field 
> contents are visible, but the classic validator for hidden fields.
> 
> It might surprise you to realise that not everyone in the world is a 
> touch typist, and for them (since they are often looking at the keyboard 
> rather than the screen) it's not an unreasonable validator.

Well, if they have a hard time using a keyboard, I've no doubts they 
will love using cut&paste to cut nearly in half the time needed to fill 
out your form :)