/HOST=hostname

    Optional qualifier to specify the host name associated with the
    destination message store. If omitted, the host name used will
    be determined from PMDF configuration information: the official
    local host name when the destination store is the native message
    store; the host name on the msgstore channel when the destination
    store is msgstore or popstore. This host name is only used in
    conjunction with the /FORWARD qualifier to construct a forwarding
    address for each migrated account.