On Mon 05 Feb 2018 at 08:32:32 -0600, David Wright wrote: > If it really worries you, the answer might be ~/.procmailrc and > > :0 Wh: $HOME/msgid.lock > | formail -D 199999 $HOME/msgid.cache > > I used it for years. So has Microsoft in Exchange. They use it to delete a user's mails silently. Emulating this on Debian is not to be recommended. It is sad to see this idea advanced here. -- Brian.