IBM AH0QXML User Guide - Page 53
Inbound connection controls, Configuration of inbound connection controls
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4.2.4 Inbound connection controls Inbound connection controls were introduced in Domino Release 5 and have remained unchanged in Domino 6. The inbound connection controls allow you to specify how the Domino SMTP server will handle inbound connection requests and which hosts it will allow/deny a connection to this server. If you choose to enable "Verify connecting host name in DNS," Domino SMTP server will attempt to verify the connecting host's name to DNS. Domino will perform a reverse lookup to DNS that a PTR (pointer) DNS entry exists for the connecting IP address. The remaining fields are used to specify the names or IP addresses of hosts that will be allowed/denied a connection to the Domino server. You can set "Allow connection" controls if you want to control the hosts that can be connected to this server. If the allow field contains entries, then only these hosts/IP addresses would be allowed to connect to the server. The opposite is true for the "Deny connections" field, where entries specify the hosts/IP addresses that will not be allowed a connection to the server. If an entry is found in both the allow and deny fields, the address in the deny field will take precedence over the entry in the allow field. Configuration of inbound connection controls 1. In the Administration client click the Configuration tab and expand the Messaging section. 2. Click Configurations. 3. Select the Configurations Settings document for the server you want to administer and click Edit Configuration. 4. Click the tabs in the following order: Router/SMTP → Restrictions and Controls → SMTP Inbound Controls; navigate down to Inbound Connection Controls. 5. Double-click the document or click the Edit Server Configuration button to put the document in edit mode. Chapter 4. Domino 6 Server anti-spam features 41