Add a customer to the block or allow list
Last updated Jun 20, 2026Security and fraud controls
Overview
Use the block list to stop future deliveries to a specific customer. Use the allow list to let a customer bypass the security rules on your product database.
Steps
Add from the customer list
Open People then Customers in Keysender.
Search for the customer you want to block or allow.
Click Action then Details on the customer row.
Select Blocklist or Allowlist.

Add manually
- Open People then Customers in Keysender.
- Select the Block list or Allow list tab.
- Click Add Customer.
- Enter the customer's email.
Confirm it works
The customer appears in the selected list under People then Customers. Blocked customers no longer receive deliveries. Allowed customers bypass your product database security rules.
If it still is not working
Submit a claim so Keysender Support can review it.
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