The document discusses various methods that law firms can use to establish electronic client communications, including manual file transfers using modems, electronic bulletin boards, electronic mail, and public email services. Manual file transfers are simple but require coordination between the firm and client. Electronic bulletin boards allow documents to be uploaded and downloaded without coordination but have security limitations. Using electronic mail, firms can exchange documents and messages with clients through gateways that convert between different email formats or by connecting to public email services. However, firms need to consider issues of format compatibility, security, and document management with electronic document exchange.