[horde] whups: There was an error listing users: Listing of users is not supported.

[Jan Schneider]

Zitat von Arjen de Korte <arjen+horde at de-korte.org>:

> Citeren ANANT S ATHAVALE <asa at isac.gov.in>:
>
>> I got this doubt due to 2 reasons.
>>
>> 1. Listing of users with same IMAP server and same backends  
>> configuration works in HGWE 5.1.4, but not working in HGWE 5.2.6.
>
> The IMAP backend has not (and will never) support listing users,  
> because the IMAP protocol doesn't support this. It can't be done.  
> That you're seeing a list of users, is either because your browser  
> is caching previous input and showing that, or you used a different  
> backend for whups before.

This is not correct. IMP supports listing of users via IMAP by listing  
the user namespace's sub-mailboxes while logged in as an  
administrative user. This is supported at least by Cyrus.

>> 2. The new message added in backends.php of IMP (HGWE 5.2.6)
>>    // Plaintext logins are disabled by default on IMAP servers (see RFC 3501
>>    // [6.2.3]), so TLS is the only guaranteed authentication available by
>>    // default.
>>
>> Based on the above 2 factors, I thought enabling TLS may solve the  
>> problem of listing users. But, this is not the solution, how do I  
>> move forward.  Login through IMP with IMAP is working fine,  
>> anything else, if I change, I may be in problem.  Suggestions please.
>
> If you can't switch to another authentication backend, stop looking  
> for answers. It can't be done (as you've been told before). If  
> listing users is important for you, ask how to change to an  
> authentication backend that supports this with minimal impact to  
> your users instead.
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-- 
Jan Schneider
The Horde Project
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