[horde] IMAP overhead?

Jan Schneider jan at horde.org
Fri Feb 22 12:10:16 UTC 2013

Zitat von Patrick Boutilier <boutilpj at ednet.ns.ca>:

> On 02/22/2013 05:57 AM, Jan Schneider wrote:
>> Zitat von Patrick Boutilier <boutilpj at ednet.ns.ca>:
>>> On 02/21/2013 08:14 PM, Michael M Slusarz wrote:
>>>> Quoting Patrick Boutilier <boutilpj at ednet.ns.ca>:
>>>>> I have noticed that when IMP is configured to use hordeauth then
>>>>> almost every link you go to in Horde or apps like Turba makes an imap
>>>>> connection to the IMAP server. Horde itself is configured to use LDAP
>>>>> authentication.
>>>>> Is this by design?
>>>> Are you talking about the basic view?  If so, the IMP folder tree needs
>>>> to be built on every page, which needs to poll for new mail.
>>>> This doesn't happen in the other views.
>>>> michael
>>>> ___________________________________
>>>> Michael Slusarz [slusarz at horde.org]
>>> Happens in dynamic view too. Even the initial login to Horde tries to
>>> login to the imap server defined in IMP.  We noticed it because we are
>>> testing an LDAP server for authentication and using it for Horde
>>> login. Our imap server is not using this LDAP server for
>>> authentication so the passwords can be different. We noticed that if a
>>> user's imap password is not the same as the LDAP password the user can
>>> login to Horde with the LDAP password but there is a long delay
>>> logging in and when clicking links. Delay is caused by failed imap
>>> login attempts.
>> This is the checking for new mail.
> Right, but should Horde be checking for new mail when I go into  
> Turba, Nag, etc.. ?

Yes. Users want to get notified about new messages, no matter where in  
the groupware they are.

> As far as I can tell every link I click on in Horde causes an imap  
> connection to be made. And this only happens when hordeauth=true is  
> used in IMP. If hordeauth=false then the imap connections only start  
> when you actually go into IMP.

Correct. Authentication is only attempted if there is a way to authenticate.

> I have not checked to see if the same thing happens if Horde is  
> configured to use IMP for authentication.

It does.
Jan Schneider
The Horde Project

More information about the horde mailing list