Re: [Exim] Message ID Test, Please Ignore.

David Woodhouse <dwmw2@???> wrote:
>
>Since this is impossible -- as I can intentionally duplicate one of
>_your_ message-ids, and indeed produce message-ids which I predict will
>match your own future message-ids, it follows that you must never add
>one, as you can never guarantee its uniqueness :)

It's easy to make unpredictable message IDs with a bit of crypto.

Tony.
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