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List:       james-user
Subject:    Re: James 3, reliability of IMAP UID, " permalink" of email message
From:       Eric Charles <eric () apache ! org>
Date:       2013-01-08 16:57:52
Message-ID: 50EC5010.1060509 () apache ! org
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Hi,

UID are immutable for a mailbox.

However, when you copy a mail from a mailbox to another mailbox, the UID 
is changed (regenerated based on the destination mailbox UID sequence).

The IMAP RFC impose a long format (number) being incremented, and the 
James mailbox implementation relies on it. It could be possible to 
develop an abstraction layer (UUID <-> UID), but it's not available.

If you find a solution for permalinks emails, I'm interessted to know it...

Thx, Eric

On 08/01/2013 15:13, Syao Work wrote:
> Hello,
>
> Our system needs some way to access emails with permanent email IDs.
> We use IMAP client, and I am interested in reliability of IMAP UID in James.
> So here's some questions :)
>
> 1. Can I disable regeneration of UID to make it permanent in James with
> IMAP account?
> 2. Is there a better way to achieve "permalinks" for email messages?
>
> Best regards,
> Ro
>

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