PLANET CS-2000 - Manual (Page 310)

CS-2000 UTM Content Security Gateway User’s Manual
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In Mail Relay Æ Domain Name of internal Mail Server, to Enable LDAP and the CS-2000 can get the
permitted relay account information from LDAP server every 30 minutes, in order to valuate the mail relay
necessity.（When the LDAP is disable , the CS-2000 will confirm if the mail account exist in mail server ，to
valuate the mail relay necessity.）
After completed the LDAP server settings, Click LDAP test, to detect if the CS-2000 can link to LDAP
server.
When enabled the SMTP authentication in internal mail server，if the internal user want to use the legal
mail account to send mail to external users , the MIS engineer does not need to select Mail Relay Æ Allowed
External IP of Mail Relay.