Create a suppression list. How to supress contacts.

List suppression automatically prevents communications from reaching email addresses and phone numbers marked. This feature blocks delivery to contacts who have opted out or reported spam, helping maintain compliance with regulations while protecting your sender reputation.

Contacts can opt-out or be blocked from receiving messages from your business. There are several ways that this can happen, and these suppressions can be tracked by checking the suppressions list.

Step 1: Go to the suppressions page

In your Marketing dashboard, navigate to: Manage > Audience > Suppressions

Step 2: Start a new import

Click Import CSV in the top-right corner of the Suppressions page.

Step 3: Format your CSV file

Prepare your CSV file for upload:

• Include at least one identifier per contact — either a phone number or email address.
• Optionally include additional columns for:Marketing (to suppress marketing messages)
• Transactional (to suppress transactional messages)
• Platform type (e.g., SMS, WhatsApp, Email)

Use the demo file in the importer as a template to ensure correct formatting.

Step 4: Upload your file

Explore additional videos and step-by-step guides to help you move forward.

• View contacts in a segment
• Edit the setup of a segment