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COMPLIANCE & REGULATIONS

What is Suppression List?

Suppression List A list of phone numbers that should never receive messages, including opt-outs and complaints.

DM

DMText maintains a global suppression list that automatically prevents messaging to opted-out numbers across all campaigns.

A suppression list is a database of phone numbers that must be excluded from all messaging campaigns. It includes opt-outs, complaints, and numbers you're legally prohibited from contacting.

Types of Suppression Entries

Opt-outs:
  • Users who texted STOP
  • Unsubscribe requests
  • Must be permanent
    • Complaints:
  • Spam reports
  • Carrier complaints
  • Legal disputes
    • Invalid numbers:
  • Disconnected numbers
  • Landlines
  • Invalid formats
    • Legal holds:
  • Litigation subjects
  • Regulatory restrictions

    • Suppression List Requirements

    1. Immediate processing: Add opt-outs instantly

    2. Permanent storage: Never remove unless re-opted-in

    3. Cross-campaign: Apply to all messaging programs

    4. Regular updates: Sync with DNC registry monthly

    5. Audit trail: Track all additions with timestamps

    Best Practices

  • Check suppression list before every send
  • Sync across all messaging platforms
  • Include in API integrations
  • Never override suppression entries
  • Document compliance processes

    • RELATED TERMS

    Opt-Out

    The process by which a consumer withdraws consent and unsubscribes from receiving text messages.

    DNC List (Do Not Call)

    A registry of phone numbers that have requested not to receive telemarketing communications.

    TCPA

    Telephone Consumer Protection Act - The federal law governing SMS marketing consent requirements.

    suppression listopt out listsms blacklistdo not messageunsubscribe list
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