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How Lead Verification Works: Double Opt-In Explained

Understand the double opt-in process on Scalelup and why verified leads mean higher quality and compliance for your mailing list

Updated over 2 months ago

Scalelup uses a double opt-in process for all leads collected through landing pages. This system ensures your mailing list is filled with real, engaged, and legally compliant contacts - protecting both your reputation and your business.

What Is Double Opt-In?

Double opt-in is a two-step email subscription process:

  1. Initial Sign-Up:
    A visitor fills out your landing page form and submits their name and email address.

  2. Email Confirmation:
    The visitor receives an email with a confirmation link. They must click the link to verify their email address and complete the subscription process.

Only after this verification step will the contact be officially added to your mailing list as a “verified lead.”

Why Double Opt-In Matters

  • Ensures List Quality:
    Only people who genuinely want to receive your communications will complete the process, reducing fake or mistyped emails.

  • Legal Compliance:
    Double opt-in helps you comply with GDPR, anti-spam, and email marketing laws by obtaining clear and documented consent from each subscriber.

  • Reduces Spam Complaints:
    Since subscribers actively confirm their interest, you’re less likely to have your emails marked as spam.

  • Improves Deliverability:
    A clean, engaged list leads to better deliverability - and better results for your email campaigns.

What Happens If a Lead Doesn’t Verify?

  • Unverified leads remain in your mailing list but are clearly marked as “unverified.”

  • You can see and manage these contacts, but only verified leads should be used for email campaigns to maintain compliance and list quality.

By leveraging Scalelup’s double opt-in process, you build a high-quality, engaged, and legally compliant mailing list—laying the groundwork for effective and trustworthy email marketing.

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