For example, Post Office Protocol version3 (POP3), Internet Message Access Protocol version4 (IMAP4), and NNTP services are disabled by default on all of your Exchange Server 2003 servers.

• 例如,默认情况下所有Exchange Server 2003服务器上将禁用邮局协议版本3(POP3)、Internet邮件访问协议版本4(IMAP4)和NNTP服务。