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SurfControl RiskFilter - E-mail V5.2.4 Administrator’s Guide 33
S
YSTEM
S
ETTINGS
Receive Settings
2
RECIPIENT VALIDATION
The Recipient E-mail Address Validation screen enables you to improve the performance of the RiskFilter
gateway system. Receivers’ addresses are validated by user directories in order to prevent directory attack
before inbound messages are received. Use the Recipient E-mail Address Validation screen to configure
validation.
Figure 2 - 18 The Recipient E-mail Address Validation screen
Adding details of domains
In order to provide greater security, RiskFilter needs to check that the user comes from a valid domain.
When you add a domain to the Recipient E-mail Address Validation screen, you first need to supply details
of the domain. The domain List section enables you to do this.
Add validation servers
You must supply RiskFilter with a list of servers that are able to validate the user/s that you have added.
Before you can do this you must create a connection with the server that will validate these users. Using
this connection, e-mail messages are then checked to ensure that they belong to a domain and can be
validated.
To add validation servers:
1Select Receive Settings > Recipient Validation from the System Settings tab.
2 Click Add. The Recipient Email Address Validation screen is displayed.
3 In the Description field enter a description for this domain. This field is limited to 64 characters.
4 Select the domain that you need to be validated from the Domain list box.
5 Click Add>> to add it to the list. If you need to remove a domain from this list click the <<Remove.
6 Select the server that will supply validation from the Server list box.
7 Click Submit to put the new settings into effect or Reset if you want to cancel the modifications made
to the current settings.