searching for a 25 seconds delay

Iv Ray pobox at
Thu May 14 05:09:58 EDT 2009

On 14.05.2009, at 08:01, Rudy Gevaert wrote:
> Citeren Iv Ray <pobox at>:
>> 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


No change.

What else can it be?


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