vesta/install/debian/dovecot.conf

protocols = imap pop3
listen = *, ::
base_dir = /var/run/dovecot/
!include conf.d/*.conf

    namespace {
        type = private
        separator = /
        prefix =
        inbox = yes

        mailbox Sent {
            auto = subscribe
            special_use = \Sent
        }
        mailbox Drafts {
            auto = subscribe
            special_use = \Drafts
        }
        mailbox Trash {
            auto = subscribe
            special_use = \Trash
        }
        mailbox Junk {
            auto = subscribe
            special_use = \Junk
        }
    }