Re: What this means "(\w|-)+@\w"?

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From	Sandman <mr@sandman.net>
Newsgroups	comp.lang.php
Subject	Re: What this means "(\w\|-)+@\w"?
Date	Wed, 03 Aug 2011 10:02:46 +0200
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In article <eli$1108030345@qz.little-neck.ny.us>,
 Eli the Bearded <*@eli.users.panix.com> wrote:

> In comp.lang.php, Sandman  <mr@sandman.net> wrote:
> > Is SMTP supposed to support IDN? And even if it's supposed to, what 
> > SMTP servers correctly parse IDN? I mean, percentage-wise?
> 
> IDN exists above the SMTP layer. An international domain name
> supporting client is supposed to convert the name to and from
> punycode, which is highbit text encoded in plain ASCII
> alphanumerics. The punycode name is valid at for all email
> purposes.
> 
> In this model, a user entering an email address with an IDN
> host into a form should be allowed. But the web site needs to
> convert that -- as needed -- to the traditional DNS form.
> 
> I know I've never done that in my code. I should probably fix
> that.

Yes, I know it is above the smtp layer, but a SMTP surely shouldn't 
deliver mail to a client with IDN as punycode? But I suppose the 
punycode could be only in the transmission layer with the "To:" header 
intact as IDN.

I own a couple of IDN, but I never accept mail to them though. Perhaps 
I should. :)

> Elijah
> ------
> perhaps this is finally the excuse to get a vanity IDN hostname

Or Emoji:

    http://www.panic.com/blog/2011/07/the-worlds-first-emoji-domain/

:-D

-- 
Sandman[.net]

Thread

What this means "(\w|-)+@\w"? zhang yun <bigzhangyun@gmail.com> - 2011-07-07 06:58 -0700
  Re: What this means "(\w|-)+@\w"? Michael Fesser <netizen@gmx.de> - 2011-07-07 17:39 +0200
  Re: What this means "(\w|-)+@\w"? Eli the Bearded <*@eli.users.panix.com> - 2011-07-07 18:23 +0000
    Re: What this means "(\w|-)+@\w"? Michael Fesser <netizen@gmx.de> - 2011-07-07 21:12 +0200
    Re: What this means "(\w|-)+@\w"? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-07-07 21:12 +0200
      Re: What this means "(\w|-)+@\w"? Eli the Bearded <*@eli.users.panix.com> - 2011-07-08 06:05 +0000
  Re: What this means "(\w|-)+@\w"? "Álvaro G. Vicario" <alvaro.NOSPAMTHANX@demogracia.com.invalid> - 2011-07-08 08:42 +0200
    Re: What this means "(\w|-)+@\w"? Sandman <mr@sandman.net> - 2011-08-02 10:06 +0200
      Re: What this means "(\w|-)+@\w"? "Álvaro G. Vicario" <alvaro.NOSPAMTHANX@demogracia.com.invalid> - 2011-08-02 11:50 +0200
        Re: What this means "(\w|-)+@\w"? "Peter H. Coffin" <hellsop@ninehells.com> - 2011-08-02 07:56 -0500
          Re: What this means "(\w|-)+@\w"? Eli the Bearded <*@eli.users.panix.com> - 2011-08-02 20:53 +0000
            Re: What this means "(\w|-)+@\w"? "Peter H. Coffin" <hellsop@ninehells.com> - 2011-08-03 08:32 -0500
          Re: What this means "(\w|-)+@\w"? "Álvaro G. Vicario" <alvaro.NOSPAMTHANX@demogracia.com.invalid> - 2011-08-03 10:55 +0200
            Re: What this means "(\w|-)+@\w"? "Peter H. Coffin" <hellsop@ninehells.com> - 2011-08-03 08:46 -0500
        Re: What this means "(\w|-)+@\w"? Sandman <mr@sandman.net> - 2011-08-03 00:21 +0200
          Re: What this means "(\w|-)+@\w"? Eli the Bearded <*@eli.users.panix.com> - 2011-08-03 07:45 +0000
            Re: What this means "(\w|-)+@\w"? Sandman <mr@sandman.net> - 2011-08-03 10:02 +0200
              Re: What this means "(\w|-)+@\w"? Eli the Bearded <*@eli.users.panix.com> - 2011-08-05 00:05 +0000

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