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Subject: Re: postfix vs. sendmail
From: Brad Knowles (blkskynet.be)
Date: Wed Nov 01 2000 - 21:46:12 CST

At 9:09 PM +0100 2000/10/29, Manuel Hendel wrote:

> We need to configure a mailserver for about 3000 users and a traffic
> over 3GB a day. We need to forward most of the mails to another
> mailssever in the same domain.

        Most any MTA I know of should be able to handle 3000 users on
even a surprisingly small size of machine.

        The data volumes you're talking about are around 1,073,741.824
bytes per user per day. If this is with average 50KB messages
(slightly lower than we see on our regular POP3 server), then this
would be around 62,914.56 messages per day, which shouldn't be too
bad on a properly equipped mid-range system.

        Our "freemail" and corporate e-mail systems see an average of
about 100KB per message, so they'd be doing an even smaller number of
messages per day to reach those volumes.

        Of course, if the average message size is much smaller than this,
then you may be talking a number of messages per day that is
considerably in excess of what you may be able to accomplish on all
but some of the most powerful machines. 

--
   These are my opinions -- not to be taken as official Skynet policy
======================================================================
Brad Knowles, <blkskynet.be>                || Belgacom Skynet SA/NV
Systems Architect, Mail/News/FTP/Proxy Admin || Rue Colonel Bourg, 124
Phone/Fax: +32-2-706.13.11/12.49             || B-1140 Brussels
http://www.skynet.be                         || Belgium

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