[Dovecot] Disallow POP3 from deleting messages

Timo Sirainen tss at iki.fi
Wed Mar 20 14:43:30 EET 2013

On Wed, 2013-03-20 at 06:39 -0600, DormitionSkete at hotmail.com wrote:
> I'd like to use Dovecot as our IMAP server when our users are within our LAN, but I'd also like to give them the ability to access their emails via POP3 when they are outside the LAN.  I know most POP3 clients will give their users the option of not deleting the messages from the server after they are downloaded, but is there any way to restrict them from being able to do so at the server level?
> In other words, I want to disallow the server from accepting the DELE command from POP3 clients.
> Is that possible?

You could create a (global) ACL to not allow user to delete own mails.
But some clients will probably keep redownloading the same mails over
and over again then.

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