System Environment Requirements 1-31 Before You StartSystem Environment Requirements for Using E-mail/I-Fax The following system environment is required for using the e-mail/I-fax functions.The machine sends e-mail/I-fax messages to mail servers using the SMTP protocol.The machine can receive incoming e-mail/I-fax messages from a mail server using the POP3 proto-col or directly using the machine’s own SMTP receiving function.If the latter method is used, it is not necessary for the mail server to support the POP3 protocol.Compatible mail forwarding server software: Sendmail 8.9.3Microsoft Exchange Server 5.5 + SP2Lotus Domino R5Compatible mail receiving server software: qpopper 2.43Microsoft Exchange Server 5.5 + SP2Lotus Domino R5System Environment Requirements for File SharingThe following network and system environments apply when using the machine both to send docu-ments to a file server and to share files, depending on the type of network used. Using a NetWare network:Compatible server: Novell NetWare Version 3.2/4.11/4.2/5Compatible protocol: IPXIMPORTANT• When using a NetWare 3.x server, it is necessary to support long file names. Using a NetBIOS network (File Sharing for Windows):Compatible servers: Microsoft Windows 95/98Microsoft Windows NT Server 4.0Microsoft Windows NT Workstation 4.0Microsoft Windows 2000 ServerMicrosoft Windows 2000 ProfessionalCompatible protocol: NetBIOS over TCP/IP (NetBT) Using FTP:Compatible servers: Microsoft Windows NT Server 4.0 and Internet Information Server 4.0Microsoft Windows 2000 Server and Internet Information Server 5.0Solaris Version 2.6 or laterCompatible protocol: TCP/IPIMPORTANT• If you are using Windows NT 4.0, you need to install Service Pack 5 or later.