[horde] Unclear error message - any hints?

[Michael J Rubinsky]

Quoting Oscar del Rio <delrio at mie.utoronto.ca>:

> On 06/13/17 11:23 AM, Jens-U. Mozdzen wrote:
>> I have three "external accounts" in my Horde webmail interface, one  
>> of them generates an "interesting" error message.
>>
>> I have logged in to that account via Horde (as well as to the other  
>> two) and see the corresponding "inbox" folder in the navigation  
>> tree on the left of the IMP window. When clicking that folder  
>> entry, the folder is opened in the right pane and I see a red popup  
>> stating "contains hyphen at position three and four" (original  
>> message is German: "Enthält Bindestrich an der dritten und vierten  
>> Stelle"). Horde's log does not list any messages when this happens.
>>
>> Any idea what component might be delivering that error message - and why?
>>
>
> Source code:
> https://github.com/horde/horde/blob/master/framework/Idna/locale/de/LC_MESSAGES/Horde_Idna.po#L32
> #: lib/Horde/Idna.php:63
> msgid "Contains hyphen in the third and fourth positions"
> msgstr "Enthält Bindestrich an der dritten und vierten Stelle"
>
> https://github.com/horde/horde/blob/master/framework/Idna/lib/Horde/Idna.php#L82
> * Checks if the $idna_info parameter of idn_to_ascii() or idn_to_utf8()
> * contains errors.
>
> https://tools.ietf.org/html/rfc5891#section-4.2.3.1
> 4.2.3.1. Hyphen Restrictions
>    The Unicode string MUST NOT contain "--" (two consecutive hyphens) in
>    the third and fourth character positions and MUST NOT start or end
>    with a "-" (hyphen).

Exactly. One or more of the email addresses in the affected mailbox  
contains a domain that contains hyphens in the 3rd and 4th character  
positions.

> no idea why you are getting that, but the above might help you debug.
>
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-- 
mike
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