can you please tell me what is the significance of the following line in
.forward
"|IFS=' '&&exec /usr/bin/procmail -f- ||exit 75 # username"
i am getting an error
----- The following addresses had permanent fatal errors -----
"|IFS=' '&&exec /usr/bin/procmail -f- ||exit 75"
(reason: Service unavailable)
(expanded from: <username at my-server.com>)