"Workgroup mail server with integrated Internet connection. Can work with POP3/SMTP clients or operate as a MAPI transport for Outlook/Exchange/Windows Messaging. Version 6.0 is POP only, without the MAPI transport, and includes a content filter so you can block unwanted attachments. Can work with POP3/SMTP or IMAP4 clients or operate with the included CDC IMAP4 MAPI transport for Outlook/Exchange/Windows Messaging. Also includes LDAP directory support and the Boldon James LDAP MAPI provider. (Formerly Sun Internet Mail Server) MULTIPURPOSE"