Average mail quota usage: tricks to implement unlimited email quota.

Posted by Marco Demaio on Server Fault See other posts from Server Fault or by Marco Demaio
Published on 2010-06-10T17:49:34Z Indexed on 2010/06/10 17:53 UTC
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Filed under:

email

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diskspace

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quota

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disk-quota

I suppose that hosters who provides unlimited mail quota are only claiming it unlimited, and hope that they won't run out of disk space. Correct me if I'm wrong.

In order to do such trick they will have probably to calculate the average real quota used by the average user.

Let's say on a 100 GB space hosting I offer to 20 x 1GB emails, obviously if all user fill their mail my server would stop working cause they would require 200 GB, but I think I can expect this trick to work cause it will never happen (or it's extermly unprobable) that all user fills up all their mails.

But the QUESTTIONS are:

What's the average email usage?
Can we say that a user normally fills up 1/2 or 1/3 of the quota you provide him?

Thanks to any answers/suggetions you might provide.

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