CampaignKit Blog

Expert insights on email deliverability, validation, and marketing automation

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Don't Hit Send Yet: Why Email Verification Matters More Than You Think

Don't Hit Send Yet: Why Email Verification Matters More Than You Think

Ever poured hours into writing the perfect cold email, curated your lead list, hit send—and woke up to a wave of bounce notifications? That sinking feeling isn't just emotional; it's operational failure. And the fix? Email verification. When done right, verifying your emails can prevent up to 90% of common deliverability issues. This isn’t a nice-to-have. It’s the foundation of a high-performing outbound engine. What Email Verification Actually Means It sounds complex, but it's really just t

4 min read

What is DMARC, how does it work and why you should use it

DMARC is an acronym that stands for Domain-based Message Authentication, Reporting and Conformance and is an email authentication protocol. Domain owners can use DMARC to protect their domains from unauthorized use. Unauthorized uses of a domain are commonly known as email spoofing. Someone sends an email and uses your domain in the email From part. With DMARC, you publish information on how a receiving ESP (Email Service Provider) should handle unauthorized emails from your domain. Additiona

4 min read