Have you taken a look at dovecot’s namespaces? https://doc.dovecot.org/configuration_manual/shared_mailboxes/public_shared/

No idea personally, just searched for it now based on your question.

When you mention chattr I assume you’re referring to setting the immutable bit / flag eg. https://www.tecmint.com/chattr-command-examples/amp/

Only reason I can off the top of my head think this wouldn’t work is that the file system type you’re using doesn’t support it.

A third option would be to dual mount the file system, second time in readonly mode and use a second instance of dovecot to point at the second location... just a tad yuck

Phillip

On Tuesday, May 17, 2022, Philip Rhoades <phil@pricom.com.au> wrote:

People,

I can't get the system "chattr" to do what I want so I am wondering if there is some way to prevent deletion of mails in the INBOX and the Sent folders?

Renaming and moving files needs to be possible for Maildir functions and also for me - so I only need deletion prevention . .

Is this possible from Dovecot?

Thanks,

Phil.
--
Philip Rhoades

PO Box 896
Cowra NSW 2794
Australia
E-mail: phil@pricom.com.au