The Exchange Recipient filter must be enabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-221243 | EX16-ED-000470 | SV-221243r961161_rule | CCI-001308 | medium |
| Description | ||||
| Email system availability depends in part on best practice 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 zero-day attack modifications must be enabled to be effective. | ||||
| STIG | Date | |||
| Microsoft Exchange 2016 Edge Transport Server Security Technical Implementation Guide | 2024-12-06 | |||
Details
Check Text (C-221243r961161_chk)
Open the Exchange Management Shell and enter the following command:
Get-RecipientFilterConfig | Select Name, Enabled
If the value of "Enabled" is not set to "True", this is a finding.
Fix Text (F-22947r411856_fix)
Open the Exchange Management Shell and enter the following command:
Set-RecipientFilterConfig -Enabled $true