VERY slow squirrelmail response

[Velda Midanovic]

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So I have a problem.

My system : RH4U5

No additional plugins, just bare squirrel.

PHP : php-4.3.9-3.22.4

HTTP : Apache, httpd-2.0.52-41.ent.4

IMAP : imap-2002d-12

Kernel : 2.6.9-78.0.17.Elsmp

All of the above was installed with the instalation of the OS, or additionally as RPM packages.

There are no errors, at least none that I can find. Squirrelmail is working, it is just VERY slow, even when I log to port 143 directly on a server, both to its IP address, and on loopback :

 

# telnet 127.0.0.1 143

Trying 127.0.0.1...

Connected to localhost.localdomain (127.0.0.1).

Escape character is '^]'.

***********

Here is the delay, and it is almost 30 seconds!!!!!

The line below shows after the 30 second delay, and I am doing the telnet on the server itself.

***********

* OK [CAPABILITY IMAP4REV1 LOGIN-REFERRALS STARTTLS AUTH=LOGIN] localhost.localdomain IMAP4rev1 2003.338rh at Wed, 4 Nov 2009 12:03:26 +0100 (CET)

 

Any Ideas?

 

Best regards,

Velda

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[Tomas Kuliavas]

Velda Midanovic wrote:

So I have a problem.

My system : RH4U5

No additional plugins, just bare squirrel.

PHP : php-4.3.9-3.22.4
HTTP : Apache, httpd-2.0.52-41.ent.4
IMAP : imap-2002d-12
Kernel : 2.6.9-78.0.17.Elsmp

All of the above was installed with the instalation of the OS, or
additionally as RPM packages.

There are no errors, at least none that I can find. Squirrelmail is working,
it is just VERY slow, even when I log to port 143 directly on a server, both
to its IP address, and on loopback :
...
Any Ideas?

Disable reverse dns lookups in your IMAP server. It is some secret unsupported option described in imaprc.txt (http://www.washington.edu/imap/documentation/imaprc.txt.html)

Try starting local ident service or see http://www.washington.edu/imap/IMAP-FAQs/index.html#7.24

Get better IMAP server.

--
Tomas