STIGQter: STIG Summary: Microsoft Exchange 2016 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

Exchange external/Internet-bound automated response messages must be disabled.

DISA Rule

SV-228392r612748_rule

Vulnerability Number

V-228392

Group Title

SRG-APP-000261

Rule Version

EX16-MB-000480

Severity

CAT II

CCI(s)

• CCI-001308 - The information system automatically updates spam protection mechanisms.

Weight

10

Fix Recommendation

Open the Exchange Management Shell and enter the following command:

Set-RemoteDomain -Identity <'IdentityName'> -AllowedOOFType 'InternalLegacy'

Note: The <IdentityName> and InternalLegacy values must be in single quotes.

Check Contents

Open the Exchange Management Shell and enter the following command:

Get-RemoteDomain | Select Name, DomainName, Identity, AllowedOOFType

If the value of "AllowedOOFType" is not set to "InternalLegacy", this is a finding.

Vulnerability Number

V-228392

Documentable

False

Rule Version

EX16-MB-000480

Severity Override Guidance

Open the Exchange Management Shell and enter the following command:

Get-RemoteDomain | Select Name, DomainName, Identity, AllowedOOFType

If the value of "AllowedOOFType" is not set to "InternalLegacy", this is a finding.

Check Content Reference

M

Target Key

4223

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