IBM AH0QXML - Lotus Domino Messaging, User Manual

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Lotus Domino 6 spam Survival Guide for IBM eServer
Figure 4-21 Inbound relay controls
6. Make the desired changes to the inbound relay control fields and click Save &
Close.
The server configuration document in Figure 4-21 depicts a server that does not
allow any relaying to occur. By specifying an asterisk (*) in either or both of the
Deny fields, Domino will not relay any mail for external hosts and will not allow
any users to use this server as a relay.
If you find that your domain is being reported as an open relay, you would want to
close down the capability. The settings shown are the correct representation of a
closed relay.
The following two tables show the results of some sample inbound relay
configurations, and some that should be avoided.
Table 4-3 Sample inbound relay configurations
Allow to Deny to Allow from Deny from Result of inbound relay setting
* No hosts will be allowed to relay mail through the
Domino server
* abc.com abc.com can relay to any destination. All other hosts
will not be allowed to relay any mail
xyz.com * All hosts will be allowed to relay messages to
xyz.com, but not to any other domain.