IBM AH0QXML - Lotus Domino Messaging, User Manual

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Lotus Domino 6 spam Survival Guide for IBM eServer
Figure 4-3 Example of address verification on the Domino Server
– “Allow messages intended only for the following internet addresses:”
If you enter addresses in this field, only those recipients can receive
Internet mail. Domino denies mail for all other recipients.
– “Deny messages intended for the following internet addresses:”
If you enter addresses in this field, all addresses except those listed in this
field can receive Internet mail. Domino denies mail for only the addresses
in this field.
The Inbound Intended Recipient Controls are used to allow or deny mail from the
Internet to be routed to particular users. If you have specific users that are not
allowed to receive mail from the internet, you could add their explicit Internet
address (e-mail address) to the “Deny messages intended for the following
internet addresses” list. Likewise for those that you will allow to receive Internet
mail.
Note: When this setting is enabled, the server cannot relay mail to a
smart host because Domino rejects messages addressed to local
domain recipients who are not listed in the Domino Directory.
Tip: If the server supports Local Part name lookups, users whose addresses
are listed in the Deny field may still receive mail addressed to alternate
Internet addresses. To prevent use of alternate addresses, complete the
Internet address field in each user's Person document and allow users to
receive inbound mail destined for their fullname addresses only. Refer to
“Specifying how Domino looks up users in the Domino Directory” in the Admin
Help file for information on restricting name lookups.