vesta/install/ubuntu/17.04/dovecot/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
    }
}