How to automatically lock Evolution/Keyring?

I am using Linux Mint 21.3 Cinnamon.

I know the default keyring automatically unlocks if there is no password set, or if the password is the same as the user login password. In effect, the Evolution client account whose password is linked to the keyring, automatically unlocks and stays unlocked once the client is opened.

However, according to GNOME wiki, “A keyring can be configured to be locked automatically after a period of inactivity.”

I do not know how to this. I want to do it in relation to the Evolution client, so that I am required to input a password after a period of inactivity (and/or upon closing the application). It does not matter whether I must use my email password, a keyring password, or my user password.

(Additionally:

Locking my account will prevent the client from notifying me, correct?

And even with the account locked, downloaded emails will remain accessible without unlocking the accounts, either through the client itself, or the home folder. Is it possible to encrypt/lock all emails within an unlocked OS?)

I am using Linux Mint 21.3 Cinnamon.

Hi,

I’m sorry, I’ve no idea what that Evolution version Linux Mint version
ships. Nonetheless, it’s luckily not that important here.

However, according to GNOME wiki, “A keyring can be configured to be
locked automatically after a period of inactivity.”
I do not know how to this.

Neither do I, I’m sorry, but I’d expect the wiki page contains more
than just this sentence, but if not, try to ask gnome-keyring
developers or consult their user documentation, where this might be
documented, I suppose.

You can also not save the password into the keyring, in which case you
might be asked for the password at least once per day (the password can
be remembered for the session). You can install seahorse and manage the
passwords in the keyring, including to delete them.

Please note it may turn the use of the evolution cumbersome, due to
repeated and semi-often requests for the passwords.

Locking my account will prevent the client from notifying me,
correct?

Refreshing the account content can require a new connection, but it can
sometimes use the existing connection, which does not need to re-login
to the server.

And even with the account locked, downloaded emails will remain
accessible without unlocking the accounts, either through the client
itself, or the home folder.

Yes, almost offline mode can be used, though turning Evolution into
offline (in menu File->Work Offline) will ensure the mail part
disconnects from the servers and any further activity with the servers
will need to get back to the online mode and reconnect, thus ask for
the password.

Is it possible to encrypt/lock all emails within an unlocked OS?

No, it’s not. Intentionally. If you want file system encryption then
enable it for the file system, not per application.

Bye,
Milan
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