[Users] How claws mail treats and deals with new and unread messages?

[Paul]

On Wed, 22 Dec 2021 17:34:38 -0300
Dedeco Balaco via Users <users at lists.claws-mail.org> wrote: 

> Both programs are open all the time, but the account is only in CM.

That doesn't make it any clearer. So how do you know it's different in one
place from the other if it's only in one place?

Do you know how IMAP works (in a rudimentary sense)?

with regards

Paul