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Date:	Fri, 5 Dec 2008 20:00:02 -0800
From:	"Steven Levine" <steve53@earthlink.net >
Reply-To:	scoug-help@scoug.com
To:	scoug-help@scoug.com
Subject:	SCOUG-Help: Mail Migration (Conversion ?)

In <20081205165949-58632-7@scoug.com>, on 12/05/08
at 04:59 PM, "Robert Blair" said:

Hi,

>I would not count on them being 100% compatible.

There should be no problem upgrading the Seamonkey/Thunderbird. There
might be minor issues going back the other way, but they will probably be
cosmetic, at worst.

The Mozilla specific data is stored in X-headers, as in

From - Sat Jun 24 19:13:40 2006
X-Mozilla-Status: 0801
X-Mozilla-Status2: 00000000
FCC: mailbox://steve53@mail.earthlink.net/Sent
X-Identity-Key: id2
X-Account-Key: account1
Message-ID: <449DF154.3020702@earthlink.net>
Date: Sat, 24 Jun 2006 19:13:40 -0700
From: Steven Levine
X-Mozilla-Draft-Info: internal/draft; vcard=0; receipt=0; uuencode=0

Other mail clients are supposed to ignore X-headers they did not create
and in my experience this is typically how it works.

>> Oh bother! Thunderbird (&c.?) puts all the e-mail/postings in of one
>> mailbox/newsgroup in one file.

>Yes.

This is both good and bad. Mail clients like mr/2 and Polarbar use the
maildir format. In most respects, performance is similar to the mbox
format. On a JFS volume, I need to keep the per folder message count
below about 10K messages per folder of folder updating gets sluggish. The
is mostly a PM container performance issue, although the index file does
need to be read and parsed.

Global seaches of message body content are going to tak a hit compared to
the Mozilla mbox format. However, the benefit of being able to use file
oriented tools to process the messages makes this a worthwhile tradeoff
for me. Also, I never have to compress the mbox file to get rid of
deleted/moved messages.

Steven

--
----------------------------------------------------------------------
"Steven Levine" MR2/ICE 3.00.11.18 BETA #10183 eCS/Warp/DIY/14.103a_W4 etc.
www.scoug.com irc.ca.webbnet.info #scoug (Wed 7pm PST)
----------------------------------------------------------------------

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