RE: [qmailtoaster] Qmailtoaster on 64bit OS

Thu, 29 Dec 2005 01:22:49 -0800

Thanks a lot Joseph. I will remember whatever you suggested.

 

From: Joseph Lundgren [mailto:[EMAIL PROTECTED]
Sent: Wednesday, December 28, 2005 11:45 PM
To: [email protected]
Subject: RE: [qmailtoaster] Qmailtoaster on 64bit OS

 

Supriyo,

 

The only limitation would be your hardware.

 

I have 15k email boxes on a Dual (dual-core) Xeon 2.8Ghz machine with only 1GB RAM, and it’s consistently at almost no load.  I use the non-64-bit version of CentOS 4.2.  I could probably increase that number to 80K before noticing any problems of consequence.

 

The first thing I would probably notice is slowness with apache (the web-based email program “squirrelmail”).  This could be solved by modifying the apache configuration file to allow more maximum connections and more apache child processes.  I could also double the RAM (it’s cheap) and gain a lot more performance if I needed it.

 

 

Here’s my load average:

 

[EMAIL PROTECTED] ~]$ w

 09:41:51 up 42 days,  9:46,  1 user,  load average: 0.12, 0.14, 0.10

USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT

josephl  pts/0    172.20.0.2       09:41    0.00s  0.01s  0.00s w

 

Sincerely,


--
Joseph Lundgren
Systems Engineer
Peak Internet, LLC
[EMAIL PROTECTED]

From: Supriyo Banerjee [mailto:[EMAIL PROTECTED]]
Sent: Sunday, December 25, 2005 10:25 PM
To: [email protected]
Subject: RE: [qmailtoaster] Qmailtoaster on 64bit OS

 

Thanks Harry and Ron!

 

Also kindly clarify up to how many maximum users can be added to Qmail Toaster. As we are planning to have in excess of 20,000 users, I wonder what will be the best solution for such a mail server.

 

Regards,

Supriyo

 

From: Harry Zink [mailto:[EMAIL PROTECTED]
Sent: Saturday, December 24, 2005 9:47 PM
To: [email protected]
Subject: Re: [qmailtoaster] Qmailtoaster on 64bit OS
Importance: High

 

 

On Dec 23, 2005, at 11:30 PM, Supriyo Banerjee wrote:

I would like to use the above servers as mail servers but am not sure whether the present version of Qmailtoaster supports the RHEL 64 bit OS.

 

and

 

On Dec 24, 2005, at 12:59 AM, Ron Jones wrote:

I would like to use the above servers as mail servers but am not sure whether the present version of Qmailtoaster supports the RHEL 64 bit OS.

 

 

Sure does - as that is what I am running (CentOS 4.2, x86_64, which is an RHEL clone)

 

Specify the architecture as x86_64 in current-install-script.sh

 

Please also note the ChangeLog for 10/15 on the main qmailtoaster page:

 

10/15/2005 - Add support for Fedora Core 4 x86_64 Linux.
10/01/2005 - Add support for Centos 4 x86_64 Linux.

 

Harry

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