MailScanner and RedHat 6.0

Eric Sandquist esandquist at IHMS.NET
Tue Dec 9 21:17:03 GMT 2003

Well, I run Postfix on one server because it was the default in the Mandrake
install... Also, the configuration was much easier than the cryptic .cf
files in sendmail...

I have a RH7.2 server running sendmail and it seems to run at a much lower
load than Postfix does...

Both are running MailScanner and SpamAssassin and ClamAV... Both running
Apache, Squirelmail, and Sympa...

The RH7.2 is handling about 28 domains, and about 100 users...
The Mandrake 9.1 machine is running 1 domain and about 300 users...

The Mandrake machine is a dual PIII 500, 512megs ram, raid 5 array - server
load never goes below 3, almost always 6, sometimes higher..

The RH7.2 is a 800mhz Celeron, 128meg ram, single IDE drive - Server load is
almost never 1... usually about .1-.5

Wish I could get the Postfix machine to perform like that... :(

Don't know why the difference in performance is so great...  Been beating
this horse for while now...  I would have expected the Mandrake machine to
outperform the RH machine based on the higher end hardware...

-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK]On
Behalf Of Antony Stone
Sent: Tuesday, December 09, 2003 1:25 PM
Subject: Re: MailScanner and RedHat 6.0

On Tuesday 09 December 2003 7:17 pm, Jason Balicki wrote:

> >What would be the advantage of choosing postfix instead?
> This isn't the answer you were looking for, but here it is
> anyway...
> Sometimes it's not a matter of choosing.  We run a packaged
> server that is a open source based Exchange replacement.
> The system is an all in one bundle that includes Postfix.
> While I'm sure I could change things around to use Sendmail
> or Exim, it's not broke so I'm not fixing it.  Well, I guess
> that is a choice, but you get what I'm saying, hopefully. :)

Indeed - I understand what you're saying.

Hopefully some others on the list can contribute their opinions on why
would choose postfix over sendmail or exim, assuming the opportunity for
choice exists.

I'm still curious to know postfix's advantages.

Thanks for the response.   Just out of interest, what is the bundled
you are using?


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 - Paul Davies, Professor of Theoretical Physics

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