---
schema_version: "1"
id: 125c185aea1672849091b49a355ba923a3262826d3bdca6f3aa520ca0b6f19c4
title: What Happens If I Leave the Allowlist Domains Empty?
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_gai_faq3.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_gai_faq3.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: d2d78a7d1fc032bd3d7f2c476618855141cc8715cb84fc95952c435ffbb1b484
description: If no domains or subdomains are specified in the allowlist, the Google UTM tracking parameters are appended to all links.
products:
  - Marketing
  - Marketing Cloud Intelligence
release: "264"
---
# What Happens If I Leave the Allowlist Domains Empty?

If no domains or subdomains are specified in the allowlist, the Google UTM tracking parameters are appended to all links.