When a contact's email address is changed in Agentforce Sales (formerly Sales Cloud), the updated email address does not automatically sync to the All Subscribers list in Marketing Cloud — even when Marketing Cloud Connect, Synchronized Data Extensions, or Salesforce Data Extension imports are in use.
This occurs because Marketing Cloud identifies subscribers by their Subscriber Key (typically the 18-digit Salesforce Contact or Lead ID), not by their email address. Updating the email address in Sales does not trigger an update to the All Subscribers list record, which means subsequent sends may still use the outdated email address.
Use this article to manually or programmatically update email addresses in the All Subscribers list to keep it in sync with Sales records.
Update email addresses one at a time directly from the All Subscribers list:
To update multiple subscribers at once, import a CSV file against the All Subscribers List. The following three fields are required in the CSV:
This process can be automated by scheduling the import activity in Automation Studio.
The Email Address in the All Subscribers list can also be updated automatically as a side effect of the following send types:
NOTE: This workaround will not apply to accounts with Field-Level Encryption since this is not a supported method for Field-Level Encryption Data Imports.
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