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Plan: Pro.
Cash on delivery comes with real costs: refused packages, fake addresses, and repeat offenders. Fraud protection stops known bad actors and suspicious orders before they are placed. Open Settings → Fraud protection and switch on Enable Fraud protection. Each rule below has its own switch and its own message shown to the blocked buyer.

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The rules

Block by email

One email per line. Matching is exact and case-insensitive.

Block by phone

One phone per line, without the country code. Matching compares the last 9 digits, so reformatting the number doesn’t slip through.

Block orders over a given quantity

Stops bulk and reseller orders. Counts every item in the cart.

Block cash on delivery for risky customers

Uses the customer risk index. Choose high risk only (recommended) or medium and high. Needs card payment enabled, so the buyer still has a way to order.

Block orders with a fake-looking identity

Uses the same checks as the “possible fake order” flag: mashed names, disposable email domains, repeated digits, an IP in a different city from the shipping address.

Card-only hours

Hide cash on delivery between two times of day, so a late-night impulse order is paid up front instead of arriving as a next-day no-show. Times use your store’s timezone and the window may cross midnight.
Card-only hours are quiet: the buyer simply doesn’t see cash on delivery, with no message. It has no effect unless you also offer card or bank transfer.

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How it works for the buyer

1

Buyer fills in the popup

Just like normal: contact, delivery, confirm.
2

Sendway checks silently

At the moment of confirmation, the order is checked against your rules.
3

If blocked

The buyer sees your message instead of a confirmation. No order is created in Shopify.
4

If allowed

The order is placed normally.
If a check itself fails for a technical reason, the order goes through. Sendway would rather let one questionable order past than block a genuine buyer because of a hiccup.

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Know before you block

The Orders page already tells you a lot about a buyer without blocking anyone: the customer risk index (Starter+), the buyer footprint, the possible-fake-order flag, and NEkorekten reports. Use those signals to decide who belongs on the blocklist; the lists here are typed by hand.

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Practical tips

Every refused COD package is a candidate. Add the phone and email as soon as the courier confirms the refusal, and report the buyer to NEkorekten from the same row.
Set it just above your usual maximum order size. Genuine bulk buyers can always contact you directly.
Don’t tell repeat offenders why they’re blocked, or they’ll work out the rule.
These rules run when a popup order is placed. Orders through Shopify’s native checkout aren’t filtered, so if fraud is a serious problem also switch on Hide Shopify’s checkout buttons.