IBM AH0QXML User Guide - Page 30
The Domino messaging environment, User mail file rules
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3.1 The Domino messaging environment While every Domino installation is different, and many do use a single Domino server to handle all tasks related to e-mail, a division of tasks between multiple servers is typical of most larger environments. Generally, there are a number of Domino servers on an internal network that users connect to in order to access their mail, and one or more external Domino servers that are responsible for connections to the Internet for inbound and outbound SMTP e-mail. Some of the anti-spam features in Domino 6 must always be implemented on the external Domino servers that handle the actual SMTP connections, some must always be implemented on the internal servers, and some of the anti-spam features can be implemented on either the external or internal servers-or even on additional dedicated servers that are located "in between" the external servers and the internal servers in the network topology. The features that must be implemented on the external servers are: DNS blacklist filtering Inbound relay control and enforcement Inbound intended recipient controls Inbound connection controls The features that must be implemented on the internal servers are: User mail file rules The features that may be implemented on either internal, external or other dedicated servers are: Inbound sender controls Disabled SMTP routing to groups Server mail rules Figure 3-1 shows one such typical Domino network. A network such as the one depicted here is an ideal configuration for establishing control of spam via the Domino 6 anti-spam measures described in this redbook. The implemented strategy to fight spam in the example Domino environment is to stop spam at the Domino server. 18 Lotus Domino 6 spam Survival Guide for IBM eServer