STIGQter: STIG Summary: Microsoft Exchange 2019 Mailbox Server Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 02 Jul 2025:

The Exchange Post Office Protocol 3 (POP3) service must be disabled.

DISA Rule

SV-259668r960963_rule

Vulnerability Number

V-259668

Group Title

SRG-APP-000141

Rule Version

EX19-MB-000066

Severity

CAT II

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission essential capabilities.

Weight

10

Fix Recommendation

Open the Windows PowerShell in an Elevated Prompt and enter the following commands:

Get-Service -Name MSExchangePop3,MSExchangePOP3BE |ForEach-Object {Set-Service -Name $_.Name -StartupType Disabled}

Check Contents

Get-Service -Name MSExchangePop3,MSExchangePOP3BE |Select-Object -Property Name,StartType

If any of the POP3 services StartType is NOT set to "Disabled", this is a finding.

Vulnerability Number

V-259668

Documentable

False

Rule Version

EX19-MB-000066

Severity Override Guidance

Get-Service -Name MSExchangePop3,MSExchangePOP3BE |Select-Object -Property Name,StartType

If any of the POP3 services StartType is NOT set to "Disabled", this is a finding.

Check Content Reference

M

Target Key

5580