Help me avoid Exchange

[Mark Gelinas]

On Fri, 23 Dec 2005 10:26:02 -0500, Ben Scott <dragonhawk at gmail.com> wrote:

>   The point that Dan Jenkins raises WRT storage demands is a good one.
>  Exchange storage tends to "cost more" then Unix mail storage.  This
> is especially true if you're on Exchange Standard, which has a 16 GB
> limit (or 75 GB for Exch 2003 Std).  If you hit that, you have to drop
> significant cash on a license upgrade.
>
>   That being said, one thing Exchange does bring to the table is SIS
> (Single Instance Storage).  If one luser mails a 50 MB PowerPoint file
> to everybody in the company, Exchange only stores one copy of the
> file.  Depending on your usage patterns, that may make a big
> difference, or none at all.
>
Cyrus IMAP has supported SIS since 1999, with the release of version
1.6.20. One copy of the message is saved per disk partition, and
hard links are created to all other mailboxes. Only caveat is that
SIS only works for messages delivered via LMTP, but nowadays that
is hardly an issue.

Mark