Some buyers take more than they bring in: serial refunders, chargeback abusers, throwaway email domains, regions you no longer ship to. OrderGate checks every checkout against your rules and turns those buyers away before an order exists. Nothing to cancel, refund, or restock. Block by exact email, wildcard, whole domain with subdomains, country, city, postal prefix, or customer tag. Start in log-only mode to see what your rules would have stopped, then enforce when you are ready.

• Blocks inside checkout validation, so the order is never created at all
• Rules for email, wildcard, domain and subdomains, country, city, ZIP, tag
• Log-only mode reports what your rules would have blocked before you enforce
• Your own rejection wording, shown against the checkout field that caused it
• Up to 1,500 rules, measured at full load against Shopify's runtime budget

Stock in more than one location? Shopify can split an order into two shipments: two labels for you, and your customer may even see two shipping fees stacked into one price. OneBox registers a fulfillment constraint that runs inside Shopify's own checkout, before rates are calculated. Whenever a single location can fulfill the entire order, checkout produces one shipment. When none can, you choose: let it split with a clear buyer notice, or block checkout for never-split product lines.

• Never split orders: one switch keeps every coverable order to a single shipment
• Pin products, collections, or tagged items to the locations that must ship them
• Daily split counter shows what multi-package orders already cost you