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Detect and manage fraud

Last reviewed: 2026-06-01Reviewed by KickoffLabs SupportApplies to: Campaign setup, referrals, and lead qualityPlan: Basic fraud checks on all plans; advanced protection on eligible plans

Strategy guide: Want the bigger campaign playbook behind this setup? Read Referral Programs.

Fraud detection helps you separate real word-of-mouth growth from low-quality or suspicious activity. Review these settings before a public giveaway, waitlist, or referral campaign starts driving traffic.

Advanced Fraud Protection is available on eligible paid plans.

  1. Open the campaign dashboard.
  2. Go to Setup → All Settings.
  3. Select Advanced Fraud Protection.
  4. Update the settings you want to use.
  5. Select Save Fraud Settings.

advanced fraud settings

Fraud Detection

Use the custom referral block list to mark referrals from specific domains as fraud.

This is useful for sweepstakes directories, coupon-share sites, or other communities where visitors may be more interested in free prizes than your product.

custom referral site blocking

Add one domain per line. After saving, referrals from those domains will be flagged according to your fraud settings.

Block disposable or low-quality email domains

Section titled “Block disposable or low-quality email domains”

KickoffLabs flags many known bad email domains automatically. You can also add your own email domain blocklist.

Custom Email Domain Blocklist

Add one domain per line. Leads using email addresses from those domains will be marked as fraudulent after the setting is saved.

When a lead is marked as fraudulent, KickoffLabs displays a fraud indicator on the lead record.

fraudulent lead

Open the warning indicator to see why the lead was flagged. If you decide the lead is legitimate, you can manually accept the lead.

fraudulent lead2

Before launch:

  • Enable CAPTCHA if your campaign is likely to get spammed.
  • Add known sweepstakes or low-quality referral domains to the block list.
  • Add disposable email domains you already know you do not want.
  • Test at least one normal signup and one referral signup.
  • Decide whether fraudulent leads should count toward rewards, waitlist rank, or winner selection.

Related docs:

Need help? Email support@kickofflabs.com. Include your campaign URL, example lead email, the fraud reason shown in KickoffLabs, and whether you expected the lead to count or be blocked.