searching for a 25 seconds delay

[Iv Ray]

On 14.05.2009, at 08:01, Rudy Gevaert wrote:
> Citeren Iv Ray <pobox at verysmall.org>:
>> Hello everyone,
>>
>> For several months I have been searching the reason for a 25 seconds
>> delay on every Squirrelmail operation (login, select folder, select
>> another page) - the mail server runs on FreeBSD 6.x with latest
>> postfix and Cyrus IMAP with Cyrus SASL authentication against a
>> PostgreSQL database.
>>
>> Mail clients like Mac Mail, Thunderbird, etc. do not exhibit this
>> problem.
>>
>> I received some guidance on this list and I tried quite a few things
>> without being able to locate the problem.
>>
>> Today, however, I finally noticed something -
>>
>> 1. All operations that I could try using imtest respond immediately
>> (including initial login).
>>
>> 2. However the initial login of cyradm is delayed exactly 25 seconds.
>>
>> It would be great if someone could help me analyze the reason for  
>> this
>> difference, which might bring me closer to the issue.
>>
>> Cyrus does not have redundant authentication mechanisms (some people
>> suggested that this might cause delay) and the 25 seconds appear very
>> stable (i. e. it is always 25 seconds).
>
> It is maybe your sasl not having enough entropy, as probably
> squirelmail logs in for each request.  Recompile sasl to use
> /dev/urandom in stead of /dev/random

Hi,

No change.

What else can it be?

Iv