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Groups > comp.lang.php > #9093 > unrolled thread

Rejecting Certain Non-ASCII Characters

Started byJim Higgins <ILikeMy@Privacy.bogus>
First post2013-04-19 16:16 +0000
Last post2013-04-22 14:10 +0200
Articles 9 on this page of 49 — 11 participants

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  Rejecting Certain Non-ASCII Characters Jim Higgins <ILikeMy@Privacy.bogus> - 2013-04-19 16:16 +0000
    Re: Rejecting Certain Non-ASCII Characters Lew Pitcher <lpitcher@teksavvy.com> - 2013-04-19 12:29 -0400
    Re: Rejecting Certain Non-ASCII Characters Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-04-19 09:30 -0700
      Re: Rejecting Certain Non-ASCII Characters Jim Higgins <ILikeMy@Privacy.bogus> - 2013-04-19 21:38 +0000
        Re: Rejecting Certain Non-ASCII Characters Jim Higgins <ILikeMy@Privacy.bogus> - 2013-04-19 22:11 +0000
    Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-19 12:48 -0400
      Re: Rejecting Certain Non-ASCII Characters Jim Higgins <ILikeMy@Privacy.bogus> - 2013-04-19 21:46 +0000
        Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-19 18:00 -0400
        Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-20 01:23 +0200
    Re: Rejecting Certain Non-ASCII Characters Christoph Becker <cmbecker69@gmx.de> - 2013-04-19 19:38 +0200
      Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-19 22:33 +0200
        Re: Rejecting Certain Non-ASCII Characters Christoph Becker <cmbecker69@gmx.de> - 2013-04-19 23:08 +0200
          Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-20 01:12 +0200
            Re: Rejecting Certain Non-ASCII Characters Christoph Becker <cmbecker69@gmx.de> - 2013-04-22 13:25 +0200
              Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-22 13:29 +0200
          Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-20 14:08 +0200
            Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-20 17:52 +0200
      Re: Rejecting Certain Non-ASCII Characters Jim Higgins <ILikeMy@Privacy.bogus> - 2013-04-19 22:06 +0000
        Re: Rejecting Certain Non-ASCII Characters Christoph Becker <cmbecker69@gmx.de> - 2013-04-20 00:26 +0200
          Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-19 19:53 -0400
            Re: Rejecting Certain Non-ASCII Characters Christoph Becker <cmbecker69@gmx.de> - 2013-04-20 02:36 +0200
              Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-19 20:58 -0400
                Re: Rejecting Certain Non-ASCII Characters Christoph Becker <cmbecker69@gmx.de> - 2013-04-20 03:34 +0200
    Re: Rejecting Certain Non-ASCII Characters Arno Welzel <usenet@arnowelzel.de> - 2013-04-19 22:19 +0200
    Re: Rejecting Certain Non-ASCII Characters "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2013-04-20 10:04 +0200
      Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-20 14:15 +0200
        Re: Rejecting Certain Non-ASCII Characters "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2013-04-20 14:26 +0200
          Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-20 14:34 +0200
          Re: Rejecting Certain Non-ASCII Characters Arno Welzel <usenet@arnowelzel.de> - 2013-04-20 14:41 +0200
            Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-20 08:43 -0400
              Re: Rejecting Certain Non-ASCII Characters Arno Welzel <usenet@arnowelzel.de> - 2013-04-20 14:55 +0200
                Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-20 09:04 -0400
                  Re: Rejecting Certain Non-ASCII Characters Arno Welzel <usenet@arnowelzel.de> - 2013-04-20 21:29 +0200
                    Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-20 20:03 -0400
                      Re: Rejecting Certain Non-ASCII Characters Arno Welzel <usenet@arnowelzel.de> - 2013-04-21 06:51 +0200
                        Re: Rejecting Certain Non-ASCII Characters Arno Welzel <usenet@arnowelzel.de> - 2013-04-21 06:57 +0200
                          Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-21 08:45 -0400
                            Re: Rejecting Certain Non-ASCII Characters Tim Streater <timstreater@greenbee.net> - 2013-04-21 15:09 +0100
                              Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-21 10:29 -0400
                        Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-21 08:44 -0400
                Re: Rejecting Certain Non-ASCII Characters The Natural Philosopher <tnp@invalid.invalid> - 2013-04-20 15:07 +0100
                  Re: Rejecting Certain Non-ASCII Characters Jerry Stuckle <jstucklex@attglobal.net> - 2013-04-20 20:06 -0400
            Re: Rejecting Certain Non-ASCII Characters "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2013-04-20 17:43 +0200
              Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-20 18:01 +0200
                Re: Rejecting Certain Non-ASCII Characters "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2013-04-20 18:17 +0200
                  Address munging (was: Rejecting Certain Non-ASCII Characters) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-20 18:23 +0200
              OT: Address munging (was: Re: Rejecting Certain Non-ASCII Characters) Arno Welzel <usenet@arnowelzel.de> - 2013-04-20 21:25 +0200
              Re: Rejecting Certain Non-ASCII Characters Denis McMahon <denismfmcmahon@gmail.com> - 2013-04-20 22:06 +0000
                Re: Rejecting Certain Non-ASCII Characters Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-04-22 14:10 +0200

Page 3 of 3 — ← Prev page 1 2 [3]

#9153

FromThe Natural Philosopher <tnp@invalid.invalid>
Date2013-04-20 15:07 +0100
Message-ID<kku7fi$i1k$2@news.albasani.net>
In reply to#9151
On 20/04/13 13:55, Arno Welzel wrote:
> Jerry Stuckle, 2013-04-20 14:43:
>
>> On 4/20/2013 8:41 AM, Arno Welzel wrote:
>>> M. Strobel, 2013-04-20 14:26:
>>>
>>> [...]
>>>> My code can be easily adapted. And then:
>>>>
>>>> Wall Street Journal online
>>>>
>>>> http://online.wsj.com/article/SB10001424052748704805204575594423931135084.html#
>>>>
>>>> or Reuters
>>>>
>>>> http://www.reuters.com/article/2011/03/17/us-eu-internet-privacy-idUSTRE72G48Z20110317
>>> If you don't want to use a valid address, then use
>>>
>>> <invalid@invalid.invalid>
>>>
>>> Also see <http://www.individual.de/faq.php#5.3>
>>>
>>> Did you get it now?
>>>
>>>
>> What does this have to do with PHP, troll?
> You forgot to ask this M. Strobel and Thomas Lahn as well...
>
give him some raw fish and he will go back under his bridge.



-- 
Ineptocracy

(in-ep-toc’-ra-cy) – a system of government where the least capable to lead are elected by the least capable of producing, and where the members of society least likely to sustain themselves or succeed, are rewarded with goods and services paid for by the confiscated wealth of a diminishing number of producers.

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#9166

FromJerry Stuckle <jstucklex@attglobal.net>
Date2013-04-20 20:06 -0400
Message-ID<kkvace$5hr$1@dont-email.me>
In reply to#9153
On 4/20/2013 10:07 AM, The Natural Philosopher wrote:
> On 20/04/13 13:55, Arno Welzel wrote:
>> Jerry Stuckle, 2013-04-20 14:43:
>>
>>> On 4/20/2013 8:41 AM, Arno Welzel wrote:
>>>> M. Strobel, 2013-04-20 14:26:
>>>>
>>>> [...]
>>>>> My code can be easily adapted. And then:
>>>>>
>>>>> Wall Street Journal online
>>>>>
>>>>> http://online.wsj.com/article/SB10001424052748704805204575594423931135084.html#
>>>>>
>>>>>
>>>>> or Reuters
>>>>>
>>>>> http://www.reuters.com/article/2011/03/17/us-eu-internet-privacy-idUSTRE72G48Z20110317
>>>>>
>>>> If you don't want to use a valid address, then use
>>>>
>>>> <invalid@invalid.invalid>
>>>>
>>>> Also see <http://www.individual.de/faq.php#5.3>
>>>>
>>>> Did you get it now?
>>>>
>>>>
>>> What does this have to do with PHP, troll?
>> You forgot to ask this M. Strobel and Thomas Lahn as well...
>>
> give him some raw fish and he will go back under his bridge.
>
>
>

Ah, yes, the troll who uses a 'nym because he's scared to death that 
someone will find out he's really an out-of-work ditch digger and not 
the programmer or EE he claims to be strikes again!

Keep it up, TNP.  The more you do, the more people who are laughing at 
you.  After all, nobody takes you seriously.

-- 
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
==================

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#9155

From"M. Strobel" <sorry_no_mail_here@nowhere.dee>
Date2013-04-20 17:43 +0200
Message-ID<atfrchFqpq0U1@mid.uni-berlin.de>
In reply to#9147
Am 20.04.2013 14:41, schrieb Arno Welzel:
> M. Strobel, 2013-04-20 14:26:
> 
> [...]
>> My code can be easily adapted. And then:
>>
>> Wall Street Journal online
>>
>> http://online.wsj.com/article/SB10001424052748704805204575594423931135084.html#
>>
>> or Reuters
>>
>> http://www.reuters.com/article/2011/03/17/us-eu-internet-privacy-idUSTRE72G48Z20110317
> 
> If you don't want to use a valid address, then use
> 
> <invalid@invalid.invalid>
> 
> Also see <http://www.individual.de/faq.php#5.3>
> 
> Did you get it now?
> 
> 
Get what? This domain exists:

str@suse122-intel:~/Desktop> dig nowhere.dee @208.67.222.222

; <<>> DiG 9.9.2-P2 <<>> nowhere.dee @208.67.222.222
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17975
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 16384
;; QUESTION SECTION:
;nowhere.dee.                   IN      A

;; ANSWER SECTION:
nowhere.dee.            0       IN      A       67.215.65.132

;; Query time: 68 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Sat Apr 20 17:42:03 2013
;; MSG SIZE  rcvd: 56

/Str.

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#9157

FromThomas 'PointedEars' Lahn <PointedEars@web.de>
Date2013-04-20 18:01 +0200
Message-ID<5681296.HGuM2lx8Zy@PointedEars.de>
In reply to#9155
M. Strobel wrote:

> Am 20.04.2013 14:41, schrieb Arno Welzel:
>> If you don't want to use a valid address, then use
>> 
>> <invalid@invalid.invalid>
>> 
>> Also see <http://www.individual.de/faq.php#5.3>
>> 
>> Did you get it now?
>
> Get what? This domain exists:
> 
> str@suse122-intel:~/Desktop> dig nowhere.dee @208.67.222.222
> 
> ; <<>> DiG 9.9.2-P2 <<>> nowhere.dee @208.67.222.222
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17975
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 16384
> ;; QUESTION SECTION:
> ;nowhere.dee.                   IN      A
> 
> ;; ANSWER SECTION:
> nowhere.dee.            0       IN      A       67.215.65.132
> 
> ;; Query time: 68 msec
> ;; SERVER: 208.67.222.222#53(208.67.222.222)
> ;; WHEN: Sat Apr 20 17:42:03 2013
> ;; MSG SIZE  rcvd: 56

It figures that you would post the non-authoritative answer from your 
misconfigured nameserver to support your anti-social behavior.  That does 
not make your From header field value technically valid or socially 
acceptable, though, because an *address* there has to have at least a FQDN, 
which nowhere.dee is no where near to.  (There is no registry for the dee 
TLD to begin with.  Not *yet*, that is.)

Perhaps someone should inform your service provider to *make* you heed the 
rules.


PointedEars
-- 
Prototype.js was written by people who don't know javascript for people
who don't know javascript. People who don't know javascript are not
the best source of advice on designing systems that use javascript.
  -- Richard Cornford, cljs, <f806at$ail$1$8300dec7@news.demon.co.uk>

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#9158

From"M. Strobel" <sorry_no_mail_here@nowhere.dee>
Date2013-04-20 18:17 +0200
Message-ID<atftcrFr6r7U1@mid.uni-berlin.de>
In reply to#9157
Am 20.04.2013 18:01, schrieb Thomas 'PointedEars' Lahn:
> M. Strobel wrote:
> 
>> Am 20.04.2013 14:41, schrieb Arno Welzel:
>>> If you don't want to use a valid address, then use
>>>
>>> <invalid@invalid.invalid>
>>>
>>> Also see <http://www.individual.de/faq.php#5.3>
>>>
>>> Did you get it now?
>>
>> Get what? This domain exists:
>>
>> str@suse122-intel:~/Desktop> dig nowhere.dee @208.67.222.222
>>
>> ; <<>> DiG 9.9.2-P2 <<>> nowhere.dee @208.67.222.222
>> ;; global options: +cmd
>> ;; Got answer:
>> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17975
>> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
>>
>> ;; OPT PSEUDOSECTION:
>> ; EDNS: version: 0, flags:; udp: 16384
>> ;; QUESTION SECTION:
>> ;nowhere.dee.                   IN      A
>>
>> ;; ANSWER SECTION:
>> nowhere.dee.            0       IN      A       67.215.65.132
>>
>> ;; Query time: 68 msec
>> ;; SERVER: 208.67.222.222#53(208.67.222.222)
>> ;; WHEN: Sat Apr 20 17:42:03 2013
>> ;; MSG SIZE  rcvd: 56
> 
> It figures that you would post the non-authoritative answer from your 
> misconfigured nameserver to support your anti-social behavior.  That does 
> not make your From header field value technically valid or socially 
> acceptable, though, because an *address* there has to have at least a FQDN, 
> which nowhere.dee is no where near to.  (There is no registry for the dee 
> TLD to begin with.  Not *yet*, that is.)
> 
> Perhaps someone should inform your service provider to *make* you heed the 
> rules.

Haha, gotcha, you did not understand what happens.

This was one of the spamming name servers, they give an address for anything... Never
heard of it? Time to learn.

/Str.

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#9159 — Address munging (was: Rejecting Certain Non-ASCII Characters)

FromThomas 'PointedEars' Lahn <PointedEars@web.de>
Date2013-04-20 18:23 +0200
SubjectAddress munging (was: Rejecting Certain Non-ASCII Characters)
Message-ID<7018846.Vpm0sXdiuA@PointedEars.de>
In reply to#9158
M. Strobel wrote:

> Am 20.04.2013 18:01, schrieb Thomas 'PointedEars' Lahn:
>> M. Strobel wrote:
>>> Am 20.04.2013 14:41, schrieb Arno Welzel:
>>>> If you don't want to use a valid address, then use
>>>>
>>>> <invalid@invalid.invalid>
>>>>
>>>> Also see <http://www.individual.de/faq.php#5.3>
>>>>
>>>> Did you get it now?
>>>
>>> Get what? This domain exists:
>>>
>>> str@suse122-intel:~/Desktop> dig nowhere.dee @208.67.222.222
>>>
>>> ; <<>> DiG 9.9.2-P2 <<>> nowhere.dee @208.67.222.222
>>> ;; global options: +cmd
>>> ;; Got answer:
>>> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17975
>>> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
>>>
>>> ;; OPT PSEUDOSECTION:
>>> ; EDNS: version: 0, flags:; udp: 16384
>>> ;; QUESTION SECTION:
>>> ;nowhere.dee.                   IN      A
>>>
>>> ;; ANSWER SECTION:
>>> nowhere.dee.            0       IN      A       67.215.65.132
>>>
>>> ;; Query time: 68 msec
>>> ;; SERVER: 208.67.222.222#53(208.67.222.222)
>>> ;; WHEN: Sat Apr 20 17:42:03 2013
>>> ;; MSG SIZE  rcvd: 56
>> 
>> It figures that you would post the non-authoritative answer from your
>> misconfigured nameserver to support your anti-social behavior.  That does
>> not make your From header field value technically valid or socially
>> acceptable, though, because an *address* there has to have at least a
>> FQDN, which nowhere.dee is no where near to.  (There is no registry for
>> the dee TLD to begin with.  Not *yet*, that is.)
>> 
>> Perhaps someone should inform your service provider to *make* you heed
>> the rules.
> 
> Haha, gotcha, you did not understand what happens.
> 
> This was one of the spamming name servers, they give an address for
> anything... Never heard of it?

No, I am not in need of their services.

> Time to learn.

Why should I learn about how to commit network abuse best?  I for one obey 
the forms.

Instead, it is about time for *you* to learn what an address header is 
before someone makes you to.


X-Post & F'up2 news.admin.net-abuse.usenet

PointedEars
-- 
Danny Goodman's books are out of date and teach practices that are
positively harmful for cross-browser scripting.
  -- Richard Cornford, cljs, <cife6q$253$1$8300dec7@news.demon.co.uk> (2004)

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#9160 — OT: Address munging (was: Re: Rejecting Certain Non-ASCII Characters)

FromArno Welzel <usenet@arnowelzel.de>
Date2013-04-20 21:25 +0200
SubjectOT: Address munging (was: Re: Rejecting Certain Non-ASCII Characters)
Message-ID<5172EBA0.2040207@arnowelzel.de>
In reply to#9155
M. Strobel, 2013-04-20 17:43:

> Am 20.04.2013 14:41, schrieb Arno Welzel:
>> M. Strobel, 2013-04-20 14:26:
>>
>> [...]
>>> My code can be easily adapted. And then:
>>>
>>> Wall Street Journal online
>>>
>>> http://online.wsj.com/article/SB10001424052748704805204575594423931135084.html#
>>>
>>> or Reuters
>>>
>>> http://www.reuters.com/article/2011/03/17/us-eu-internet-privacy-idUSTRE72G48Z20110317
>>
>> If you don't want to use a valid address, then use
>>
>> <invalid@invalid.invalid>
>>
>> Also see <http://www.individual.de/faq.php#5.3>
>>
>> Did you get it now?
>>
>>
> Get what? This domain exists:

No it does not:

<sorry_no_mail_here@nowhere.dee>: Host or domain name not found. Name
service
    error for name=nowhere.dee type=AAAA: Host not found

But even if it would - i doubt, that <sorry_no_mail_here@nowhere.dee> is
a valid address or that you own the domain nowhere.dee..

In <http://www.individual.de/faq.php#5.3> is very clear about this topic
- either use a *valid* address or <invalid@invalid.invalid>.



-- 
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de

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#9162

FromDenis McMahon <denismfmcmahon@gmail.com>
Date2013-04-20 22:06 +0000
Message-ID<kkv3ha$e21$1@dont-email.me>
In reply to#9155
On Sat, 20 Apr 2013 17:43:13 +0200, M. Strobel wrote:

> Get what? This domain (nowhere.dee) exists ...

<?php

$hosts[] = "localhost";
$hosts[] = "nowhere.dee";
$hosts[] = "invalid.invalid";
$hosts[] = "example.com";
foreach ( $hosts as $host ) {
  $ip = gethostbyname( $host );
  if ( $ip == $host )
    echo "Error - {$host} - host not found\n";
  else
    echo "{$host} has ip address {$ip}\n";
  }

gives output:

localhost has ip address 127.0.0.1
Error - nowhere.dee - host not found
Error - invalid.invalid - host not found
example.com has ip address 192.0.43.10

What you have defined locally is irrelevant. Internet domains do not 
exist unless their tld is registered with the internet GTLD root servers, 
and there is a dns query path to the relevant domain nameserver from the 
internet GTLD root servers.

If you must obscure your email address, I suggest you use 
email@example.com instead. Using <something>@invalid.invalid is just as 
bad as using any other made up domain name. (see <http://www.iana.org/
domains/special> )

postmaster@localhost is of course another possibility, and should be 
valid everywhere.

-- 
Denis McMahon, denismfmcmahon@gmail.com

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#9177

FromThomas 'PointedEars' Lahn <PointedEars@web.de>
Date2013-04-22 14:10 +0200
Message-ID<1708560.gf3Q74PF4m@PointedEars.de>
In reply to#9162
Denis McMahon wrote:

> What you have defined locally is irrelevant.

ACK.

> Internet domains do not exist unless their tld is registered with the
> internet GTLD root servers, and there is a dns query path to the relevant
> domain nameserver from the internet GTLD root servers.

Some exist even without being registered that way, though:

> If you must obscure your email address, I suggest you use
> email@example.com instead.

That would be a violation of RFC 5536 by everyday (mis)use of the 
“example.com” SLD.  That domain, and the “example” TLD, are for *examples*, 
not address munging.  See RFC 2606.

> Using <something>@invalid.invalid is just as
> bad as using any other made up domain name. (see <http://www.iana.org/
> domains/special> )

Some NetNews providers argue that it is technically correct, as because of

,-<http://tools.ietf.org/html/rfc2606>
| 
|       ".invalid" is intended for use in online construction of domain
|       names that are sure to be invalid and which it is obvious at a
|       glance are invalid.

there cannot be a mailbox there.

However, the TLDs defined in RFC 2606 are not for address munging; they are 
“for Testing, & Documentation Examples”.  The example SLDs in defined in RFC 
2606 are not for address munging either; they “can be used as examples” 
only.  And the current (2009) NetNews RFC does not allow them:

,-<http://tools.ietf.org/html/rfc5536#section-3.1.2>
| 
| 3.1.2.  From
| 
|    The From header field is the same as that specified in Section 3.6.2
|    of [RFC5322], with the added restrictions detailed above in
|    Section 2.2.
| 
|    from            =  "From:" SP mailbox-list CRLF

That is, added *restrictions*, _not_ added freedoms.

Because using “.invalid” (or another of those domains) in a *pseudo*-address 
(RFC 5322, since at least RFC 2822: “a mailbox *receives* mail”) prevents
e-mail communication in a non-obvious way (especially to non-English 
speakers), whereas e-mail communication *is* important to keep Network news 
clean of one-to-one communication (to clarify misunderstandings before they 
evolve into flamewars; to give technical or other advice that nobody in the 
group should know or care about; to arrange for personal meetings; to offer 
jobs because of obvious technical expertise; etc.), it is still considered 
anti-social behavior and is subject to killfile rules.

Use it for postings that you want to be read (by knowledgable people), *at 
your own risk*; consider that not being read (by knowledgable people) on 
NetNews is equivalent to not participate in NetNews at all.

> postmaster@localhost is of course another possibility, and should be
> valid everywhere.

Nonsense.  Because it specifies a different mailbox everywhere, *if at all*, 
it is _not_ Valid.  “localhost” is _not_ a *Fully Qualified* *Domain Name*.  
It is the *hostname* for 127.0.0.1 by default.  Unless you are running an 
MTA on the computer you are reading NetNews with, there cannot be such a 
mailbox.  And then it will be *your* mailbox you would send e-mail to, not 
the author of the posting.

Use that ”address” to annoy people to no end by spamming themselves (worst 
case scenario is a bounce days later, or an unexpected log file entry) when 
they are trying to give you friendly off-group advice (or in any of the 
aforementioned scenarios).


See also: <http://www.interhack.net/pubs/munging-harmful/>

The paper may be old, but its arguments are still valid.  Address munging in 
any way is *helping* spammers, and *hurting* the NetNews community, 
including and firstly oneself.  IOW, address munging is one of the most 
stupid things you can do.


X-Post & F'up2 news.admin.net-abuse.usenet

PointedEars 
-- 
Use any version of Microsoft Frontpage to create your site.
(This won't prevent people from viewing your source, but no one
will want to steal it.)
  -- from <http://www.vortex-webdesign.com/help/hidesource.htm> (404-comp.)

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