Re: IDN - Need help

On 18.06.2017 14:35, Per olof Ljungmark wrote:
> On 6/18/2017 2:07 PM, Walter H. via Info-cyrus wrote:
>> On 18.06.2017 14:00, Per olof Ljungmark wrote:
>>> I am re-posting this - would really like some help here. We need Cyrus
>>> to accept mail with international characters in sender address. If
>>> someone have experience please share, thanks!
>>>
>>> This is what Postfix reports when it tries to deliver to Cyrus:
>>>
>>> (SMTPUTF8 is required, but was not offered by host XXX
>>> [/var/imap/socket/lmtp])
>>>
>>> (can't see anything relevant in the log from Cyrus)
>>>
>>> We want it to be delivered but I cannot figure out how - the sender
>>> address has a "ü" in it.
>>>
>>> Really grateful for a hint.
>>>
>>> Thanks,
>> IDN domains are internally like
>>
>> xn--.....
>>
>> see here ...
>> https://www.verisign.com/en_US/channel-resources/domain-registry-products/idn/idn-conversion-tool/index.xhtml
>>
>>
>> and I don't see a reason why not accepting    xn--toxh-47747djia.com
>>
> Yes, I know about the format, what I do not understand is how it is
> supposed to be implemented.
>
> Postfix is delivering via lmtp as "ü", not converted to Punycode.
????
> Are
> you saying that it should arrive to our mx's already converted?
are you talking about TCP/IP connections, DNS-resolutions or Mail content?
> The
> sender in question uses a @gmail address.
gmail is *NOT* IDN

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