Mammoth is useful when there are many customers and you want to integrate the data transmission and reception channels for each customer. Basically, it provides an e-mail client to send and receive e-mails with business partners, and provides a messenger function for collaboration within the company. If a customer installs Mammoth, Mammoth automatically adds it to the messenger address book, and messenger service with the customer is also available. [main function] 1. Workspace (online workpla