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.
How to Verify Catch-All Emails
What to actually do with the addresses ZeroBounce and similar tools hand back as "unknown", and how to resolve them.
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.
How to Clean Your HubSpot Email List and Reduce Bounce Rate Before Your Next Marketing Send
HubSpot bills you per marketing contact and suppresses hard bounces automatically, but risky and catch-all addresses still slip through and drag down your deliverability. Here is the exact workflow to clean your HubSpot list, resolve the addresses most tools skip, and protect your sender reputation before your next email or workflow fires.
Amit S. · Sep 7, 2026 
How to Clean Your GetResponse List and Reduce Bounce Rate
High bounce rates in GetResponse can suspend your account and tank deliverability. Here is a step-by-step guide to cleaning your list and keeping your sender score healthy.
Scrubby Team · Sep 6, 2026 
How to Clean Your GoHighLevel Email List and Reduce Bounce Rates Before Your Next Campaign
GoHighLevel routes your email through shared and dedicated LC Email infrastructure that penalizes high bounce and complaint rates fast. Here is the exact workflow to clean your GHL list, resolve the catch-all addresses most tools skip, and protect your sender reputation before your next campaign or workflow fires.
Amit S. · Sep 5, 2026 
How to Reduce Your Amazon SES Bounce Rate and Avoid Account Suspension
Amazon SES pauses your account when bounces climb too high. Learn the SES bounce thresholds and how to validate your list before sending.
Kristel K. · Sep 4, 2026 
How to Clean Your Klaviyo Email List and Reduce Bounce Rate
High bounce rates tank your Klaviyo sender reputation. Learn how to clean your list with email validation before every campaign.
Kristel K. · Sep 2, 2026 
How to Clean Your Brevo Email List and Reduce Bounce Rates Before Your Next Campaign
Brevo watches your bounce and complaint rates closely and will throttle or suspend accounts that send to dirty lists. Here is the exact workflow to clean your Brevo list, resolve the catch-all addresses other tools skip, and protect your sender reputation before your next campaign sends.
Amit S. · Sep 1, 2026 Stay Updated
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