A customer has a business requirement to exclude email addresses of certain contacts in their...

An Auto-Suppression List is designed exactly for this use case. It automatically excludes specified subscribers from email sends across multiple campaigns or sender profiles. It can also be dynamically updated, such as through SQL queries and Automation Studio activities.

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Exact Extracts from Salesforce Documentation:

Source: Salesforce Help – Auto-Suppression Lists Overview

→ "Auto-Suppression Lists automatically exclude email addresses from specific sends, business units, or sender profiles, and can be updated dynamically."

Source: Salesforce Help – Managing Suppression Lists

→ "Suppression lists are used during sending; however, Auto-Suppression Lists are configured per sender profile or business unit and maintained separately."

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