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Recipient filter must be enabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-33581 Exch-2-743 SV-44001r1_rule ECSC-1 Medium
Description
Email system availability depends in part on best practices strategies for setting tuning configurations. Careful tuning reduces the risk that system or network congestion will contribute to availability impacts. Filters that govern inbound Email evaluation can significantly reduce SPAM, PHISHING, and SPOOFED Emails. Messages from blank senders, known SPAMMERS, or 0-day attack modifications must be enabled to be effective.
STIG Date
MS Exchange 2010 Edge Transport Server STIG 2019-03-21

Details

Check Text ( C-41687r1_chk )
Open the Exchange Management Shell and enter the following command:

Get-RecipientFilterConfig | Select Enabled

If the value of 'Enabled' is not set to 'True', this is a finding.
Fix Text (F-37472r1_fix)
Open the Exchange Management Shell and enter the following command:

Set-RecipientFilterConfig -Enabled $true