Castors-online now offer as standard total track and trace logistic powered by UPS Global Systems. It will be in addition to the packet & carton service already in use by UK Mail. The new system will provide a real time delivery estimation on all next day services as well as an automatic E-mail or Text alert to clients who provide the relavent contact details. In effect this will E-Mail or text the client about 30 minutes prior to the delivery being made.