---
schema_version: "1"
id: d17120c2e6f125f64cdeff9cdcd194b9f9990846b4cbee81914385ff57634aa1
title: Publication Lists in Email Studio
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_es_publication_list_in_send.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_es_publication_list_in_send.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 6d53c6557eb9c0504b50879ee0345071ef6f8f83244362cf03a9609474b0d394
description: Send an email or SMS messages using Email Studio in Marketing Cloud Engagement.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Publication Lists in Email Studio

Send an email or SMS messages using Email Studio in Marketing Cloud Engagement.

When you send an email message or SMS message to a data extension, select a publication list. Publication lists are required to allow subscribers to opt out of sends to data extensions. Publication lists make it possible for subscribers to opt out of a category of sends without opting out of all messages from your organization.

For user-initiated email messages, the system uses the publication list exclusively to prevent sending to subscribers who have opted out. For MT SMS communications, the system adds opted-in subscribers to the list of people to receive the SMS message and also prevents sending to subscribers who have opted out.