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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