A simple test for email via IPv6

[Ted Mittelstaedt]

On 4/30/2013 2:26 AM, Tom Spier wrote:
> Am 30.04.2013 10:55, schrieb Thomas Schäfer:
>> Am 30.04.2013 09:28, schrieb Валерий Солдатов:
>>> Hello,
>>> I wrote a little script-autoresponder, it helps to check delivery of
>>> email via IPv6.
>>> Simply send an email to test at mail.v6net.ru.
>>>
>>> If we get it via IPv6, you will receive a confirmation letter with
>>> congratulations.
>>> If we get it via IPv4, you will receive an error message about
>>> non-existing domain.
>>> (MX record for mail.v6net.ru references only to AAAA-record).
>>
>> I did such tests in too. (without autoresponder and without public
>> test-service).
>>
>> But the thing is: The "Deutsche Telekom" hasn't still made their
>> homework.
>>
>> And it comes worse: The second part of your statement is not true.
>> I get no error message, I get no message at all.
>>
>> Normal users would think the email was delivered.
>>
>> May be the Deutsche Telekom is not alone, but that is a bad excuse.
>>
>> Regards,
>> Thomas Schäfer
>>
>>
>>
> You may also try "echo at blazing.de" (v4/v6)
> A quick-hack which also echoes the complete header.
>
> Regards
> Tom
>

Is it really necessary to one-up each other with open mail relays?  Really?

Ted