Acceptable Use Policy (AUP)
& Service Terms

1.1. **Transactional Mandate:** The Infrastructure is strictly limited to Transactional Email and System Alerts. "Transactional" is defined as communication triggered by a user action or system event (e.g., Inventory Alerts, IoT Sensor Warnings, Invoice Generation, Shift Scheduling).

1.2. **Prohibition of Marketing:** The use of this infrastructure for promotional newsletters, marketing solicitations, or cold outreach is strictly prohibited. Any detection of marketing headers will result in immediate API token revocation.

2.1. **No Purchased Lists:** Client represents and warrants that no data processed through the Gateway utilizes purchased, rented, or third-party scraped email lists.

2.2. **Consent Requirement:** All recipients must have a direct contractual or employment relationship with the Franchise entity. CSB Holdings adheres to the **M3AAWG Best Practices** for sender reputation.

2.3. **Hard Bounce Limit:** Accounts exceeding a 5% hard bounce rate (invalid recipients) within a 24-hour period will be automatically suspended for audit.

3.1. **High-Volume Authorization:** Clients are authorized for "Burst Traffic" events (defined as >10,000 messages/minute) solely for emergency operational notifications (e.g., Cold Chain Failure Alerts).

3.2. **Double Opt-In:** For any external vendor access, a confirmed Double Opt-In (DOI) verification record must be stored and provided upon request by the Compliance Officer.

The Infrastructure may not be used to transmit content related to:

• Affiliate Marketing or Lead Generation services.
• Cryptocurrency, Forex, or Get-Rich-Quick schemes.
• Pharmaceuticals or uncontrolled substances.
• Adult content or gambling services.