On Tue, 22 Jan 2013 11:26:18 +0100, Polytropon <free...@edvax.de> wrote:
On Tue, 22 Jan 2013 04:16:42 -0600, Joshua Isom wrote:
On 1/21/2013 5:33 PM, Ralf Mardorf wrote:
> Hi :)
>
> I'm sharing the same directory for Evolution emails, by several Linux
> installs. For e.g. Ubuntu Precise it's Evolution 3.2.3 and for e.g.
> Ubuntu Quantal it's Evolution 3.6.0.
>
> I'm doing it by a link:
>
It looks like to me you're asking for long term trouble. You're using
multiple versions, so in the future there could be changes that could
corrupt your mail. Why not just use an IMAP server instead? It's what
I do, so my mail's shared between FreeBSD, Windows, and Android.
That might be overhead, but still the approach contains
potential for future trouble, as you correctly pointed
out.
The reason is simple: While you may not have trouble if
all programs use the same mechanism for _storing_ mail
(e. g. in mbox, MH or Maildir format), they might store
other aspects of communication (read / unread, address
books, configuration settings) differently. This should
happen _independently_ of the mail storage. As long as
all involved programs are the same version, it will
probably work without any trouble. But if one program
of a newer version decides to rewrite the configuration
data in a new (and backwards-incompatible) format, the
older versions will definitely run into trouble.
I've been using a similar approach in the past, having
several GUI and TUI mail clients use the same mail
_storage_. Still as you suggest, running a (local) IMAP
server may prevent trouble, at least on the long run,
and it enables you easier testing for mail clients that
do not use the same storage format as your "old" ones do.
Still you can have any "storage backend" you like, so
even "plain text work" (easily done with MH and Maildir)
can be done if required (like grepping through messages
or processing them automatically in whatever manner).
I don't share configurations, filters etc. only the mails and it never did
cause an issue. Read and unread always worked.
First I let Evolution restore all data from an Evolution backup, Evolution
has gut an option to do it, so it will convert all configurations, filters
etc., then I delete mail and only link "mail".
Doing this with e.g. Mozilla MUAs does cause issues, when they are from
different versions, but it works flawlessly for Evolution. For older
versions of Evolution it wasn't possible to backup and restore everything
by an Evolution option, then we had to do a lot of manually work, even
when not sharing a folder. Since this is fixed, sharing the mail folder
always will work.
Regards,
Ralf
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