Because not every email has one. RFC5322 doesn?t require them.
On Jan 15, 2021, at 6:30 PM, @lbutlr <kremels at kreme.com> wrote:
> On 15 Jan 2021, at 10:57, Ron Garret <ron at flownet.com> wrote:
>> Is there any way to obtain the IMAP GUiD of a message that is being
processed by a sieve script? I?m writing a filter that needs to to keep track
of message identities as they are moved around between folders. I could add my
own id header, but I?d rather not have to reinvent that wheel.
>
> Why not simply use the message-id?
>
>
> --
> If life were to suddenly get fair, I doubt it would happen in high school.
>