777 permissions on mailbox, subfolders subfiles new emails

[Nikolai Lusan]

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Hi,

On Thu, 2018-01-25 at 00:35 +0200, Matthew Brown wrote:
> What I have to change, so dovecot on new email create, sets chmod 777 on
> Mailbox and all subfolders subfiles all new emails/sent emails etc.

This is a really bad idea. It is possible to setup in dovecot if you're
using dovecot as your LDA. The only reason I can think of for anything
close to this is virtual mailboxes ... and even then I set things up with a
specific user to own the files and set them as 770 for the directories and
660 for the files. With that setup dovecot limits users to their own mail
directories with values returned via the passdb/userdb. 

As a general rule anything on a *nix system that is chmod 777 is to be
avoided - it's a massive security risk.

- -- 
Nikolai Lusan <nikolai at lusan.id.au>
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