36 lines
1.4 KiB
Plaintext
36 lines
1.4 KiB
Plaintext
MBOX-Line: From arnt at gulbrandsen.priv.no Sun Jul 12 23:41:26 2009
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To: imap-protocol@u.washington.edu
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From: Arnt Gulbrandsen <arnt@gulbrandsen.priv.no>
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Date: Fri Jun 8 12:34:42 2018
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Subject: [Imap-protocol] off-topic: stats on mail duplication, mailing
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list sizes, etc?
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In-Reply-To: <97903.1247435045@parc.com>
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References: <97903.1247435045@parc.com>
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Message-ID: <Rg7WwXCRWrFmZqFCiR9CJQ.md5@lochnagar.oryx.com>
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Bill Janssen writes:
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> I'm interested in figuring some strawman stats about email duplication
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> that could be addressed by a site-wide IMAP server. For example, how
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> many mailing lists an "average" organization has; the average number
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> of users per mailing list; the average message traffic (in both
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> messages and bytes) per day, per week, per year. I know that a number
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> of you have actual experience with this.
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Yes, but unfortunately such numbers tend to be tied a little too tightly
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to private email.
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I do know a couple of things, though:
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1. The number of mailboxes in which a particular bodypart is stored
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varier per installation. I haven't seen an average greater than 4, I've
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seen several only a little below, and I have seen averages close to 1.
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I'd use 3 or 4 as a number if I were you.
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2. Mailing lists are difficult to count. You can count owner-*
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addresses, you can count List-ID fields, but there's a lot of
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unofficial address lists stored in people's address books or even
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heads.
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Arnt
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