[Dovecot] Is it possible to prevent users from ever deleting anything?

[jose javier parra sanchez]

Not sure about Dovecot, but with postfix you can make a copy of every
mail that gets in and out of the system and send it to a 'control'
account.

2010/3/24 Snaky Love <snakylove at googlemail.com>:
> Hi, dear dovecot-users,
>
> is it possible to make dovecot ignore the DELETE command for some accounts?
>
> Basically what I want to achieve is: users shall not be able to delete their
> emails - but they still should be able write emails.
>
> This is meant for a setup where different users are sending and receiving
> emails for a "support" account.
>
> I looked into IMAP virtual folders and ACL but I did not see a way of
> totally disabling the possibility to delete emails and share the whole
> account.
>
> I realize there may be race conditions with a setup like this and a web
> based ticket system might be a better solution, but it is only a very small
> team and we can always talk to each others to resolve conflicts - so using
> only one mail account for support seems practical and could keep the
> overhead small - but we do not want to delete anything from it
> (accidentaly).
>
> Of course, at one point in future somebody has to delete some mails from
> this accounts to get rid of old stuff - so I would like to implement a
> super-user that is able to do that kind of mailbox maintanance.
>
> How would I use ACL to setup such a scenario? Is it even possible?
> Or did I misunderstand IMAP shared folders completely???
>
> Thank you very much for your attention!
>
> Have a nice day,
> Snaky
>