Ensure Mail Summarization Is Disabled

LowLevel 1Automatedmacos

Description

Apple Intelligence's Mail summarization feature uses AI to quickly condense long emails or entire email threads into a few key sentences or bullet points.

How it is checked

Audit method: Shell command

shell

/usr/bin/osascript -l JavaScript <<'EOS'
$.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess').objectForKey('allowMailSummary').js
EOS

Expected output: false

How it is fixed

Fix method: Guidance or infrastructure patch

Profile (preferred): com.apple.applicationaccess allowMailSummary = <false/>.

Properties

Operating systems: macos-26
Tags: macossystem-settings
Reference: CIS Apple macOS 26 Tahoe Benchmark v1.1.0 - 2.5.1.3 Ensure Mail Summarization Is Disabled

Check this host

Run this on a machine you are allowed to audit. The scan is read-only.

shell

tmaegis scan --target macos