NetMail is an e-mail system for local networks and mobile access, either using the NetMail client software, POP3/SMTP clients (like smartphones) or the webmail interface. Client includes spell-checking and groupware functions like a diary with notification pop-up, shared pinboard, and instant messaging window. Users can read and write e-mails from all LAN workstations. Gateway includes heuristic virus detection and rule-based spam filter so that these e-mails are not forwarded to network or mobile users. Menu language is selectable English or German.