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 Validate Book a Demo Form Emails Before They Reach Your Sales Team
A book a demo form is the highest-intent lead a B2B team gets, and it is also where fake, typo, and throwaway emails do the most damage. Here is how bad demo-form addresses quietly wreck your pipeline metrics and how to validate them before they ever hit a rep's calendar.
Nick Abraham · Jul 27, 2026 
Email Validation for Financial Advisors: Clean Prospect and Client Lists Before You Send
Financial advisors depend on trust and consistent contact. Here is why validating your prospect and client email lists before every campaign protects your sender reputation and keeps your outreach out of the spam folder.
Amit S. · Jul 26, 2026 
How to Check If Your Domain or IP Is on an Email Blacklist (and Get Removed)
If your emails suddenly stop landing in the inbox, a blacklist is often the reason. Here is how DNS blacklists work, how to check whether your domain or sending IP is listed, and the exact steps to get delisted and stay off.
Amit S. · Jul 24, 2026 
How to Reduce Your Spam Complaint Rate and Stay Under Gmail and Yahoo Limits
Gmail and Yahoo now enforce a hard spam complaint ceiling of 0.3 percent, and crossing it can throttle or block your mail overnight. Here is what the complaint rate really measures, why it climbs, and the practical playbook for keeping it safely below the line.
Nick Abraham · Jul 23, 2026 
Email List Decay: Why Your List Goes Stale and How to Fix It
Every email list rots a little more each month, even the good ones. People change jobs, abandon inboxes, and switch providers, and roughly a quarter of your addresses go bad every year. Here is why list decay happens, how to measure it, and the routine that keeps a list healthy.
Amit S. · Jul 22, 2026 
Validate Salesforce Contacts Before Email Campaigns to Reduce Bounces
Salesforce contact records decay fast, and sending to stale addresses tanks your sender reputation. Here is how to validate your Salesforce list before every campaign.
Kristel K. · Jul 21, 2026 Stay Updated
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