Learn About Email Validation
Guides, tutorials, and best practices to help you get the most out of your email validation workflow.
The Ultimate Guide to Catch-All Emails
Everything you need to know about catch-all domains: what they are, why standard tools fail to validate them, and how Scrubby's proprietary technology delivers the answers other tools can't. Includes real-world case studies and actionable strategies.
Guides, Tutorials & More
Dive deep into email validation best practices with our curated collection of resources.
How to Validate Risky Emails
Learn the step-by-step process for validating catch-all and risky emails that standard tools mark as unknown.
Understanding Catch-All Domains
What catch-all domains are, why they matter for your email campaigns, and how to handle them effectively.
Email Deliverability Best Practices
Proven strategies to improve your email deliverability rates and protect your sender reputation across all major ISPs.
Integrating Scrubby with Your Stack
Step-by-step tutorials for connecting Scrubby with Clay, HubSpot, Instantly, SmartLead, Zapier, and more.
Scrubby API Documentation
Complete API reference with authentication, endpoints, webhooks, and code examples in multiple languages.
Email Verification vs Validation
Understand the critical difference between email verification and validation, and why you need both for optimal results.
Latest from the Blog
Stay updated with the latest insights on email validation, deliverability, and lead generation.
Email Validation for Online Course and Cohort Enrollments: Stop Kickoff-Day No-Shows
Cohort-based courses live or die on the first kickoff session. Validate enrollment email lists before welcome sequences send, and stop watching half your roster ghost the Slack invite, the LMS login, and the live kickoff call.
Email Validation for PR and Journalist Outreach Lists: Get Your Pitches Past the Bounce
Media database lists decay faster than almost any other B2B contact source. Validate journalist and PR outreach lists before you pitch, and protect both your sender reputation and your relationship with the reporters who actually opened your last email.
Validate Email Lists From Gated Content Downloads Before You Nurture Them
Whitepaper and ebook download forms collect a high volume of fake or throwaway emails. Validate them first or your nurture sequence eats deliverability for breakfast.
Kristel K. · May 8, 2026 
Validate Webinar Registration Email Lists to Maximize Live Attendance and Reduce No-Shows
Webinar registration lists rot fast. Free-content seekers, typo'd emails, and role-based addresses inflate signup numbers but tank attendance. Validating before reminders catches no-shows and protects sender reputation.
Validate Email Lists Before Affiliate Partner Payouts to Prevent Fraud
Affiliate programs lose thousands to fake signups with invalid emails. Validating email lists before processing partner payouts catches fraud early, protects your budget, and keeps your program profitable.
Validate Emails Before Abandoned Cart Sequences to Reduce Ecommerce Bounces
Abandoned cart emails only work when they reach real inboxes. Validating email addresses at checkout prevents bounces, protects sender reputation, and recovers more revenue from every cart recovery sequence.
Stay Updated
Get the latest guides, tips, and product updates delivered straight to your inbox. No spam, just actionable insights.
We respect your privacy. Unsubscribe at any time.
Start Validating Your Emails
Put what you've learned into practice. Sign up for free and get 100 credits to start validating your email lists today.