Save UID & metadata of mail in mysql table

[use experience]

UID means unique identification number used to store mail. Any help is
appreciated?.

On Fri, Apr 1, 2016 at 5:56 PM, use experience <useexperience at gmail.com>
wrote:

> Team,
>
> I would like to save UID and metadata of mail in mysql table. I am trying
> to achieve this using dovecot plugin mail-filter. Also would like to do in
> the process of mail store (using Dovecot LDA). How can I get UID & metadata
> through script.
>