Black Friday: 50% OFF with code BF2025!Sign Up

CampaignKit Blog

Expert insights on email deliverability, validation, and marketing automation

65 articles•Page 3 of 6
Masters of Scale: How Elite Marketers Use Email Validation

Masters of Scale: How Elite Marketers Use Email Validation

I. The Invisible Revenue Leak At scale, most marketers obsess over subject lines, segmenting, and automation triggers. But the best quietly guard something far more fundamental: the validity of their email list. Here’s a stat that should stop you: 22% to 30% of your email list decays every year. Fake sign-ups. Typos. Bots. Burners. Even loyal subscribers churn out as inboxes go dormant or domains shut down. If you’re sending thousands—or millions—of emails without validating that list regular

5 min read
Save the Quarter Million: Preventing Email Decay with Validation

Save the Quarter Million: Preventing Email Decay with Validation

I. The Silent $250K Problem If you're sending email at scale, there's a problem silently eating away at your revenue—and it’s not your subject lines, open rates, or ad targeting. It’s email decay. Every year, between 22% to 30% of your email list goes bad. That means thousands of contacts you’ve paid to acquire, nurtured over time, or rely on to convert are dead weight. What does that cost you? If you run a business where every valid email contact could be worth $1 to $10+ in annual revenue

4 min read
Why Marketers Are Switching to CampaignKit for Advanced Email Validation

Why Marketers Are Switching to CampaignKit for Advanced Email Validation

Today’s marketers are drowning in data — but when it comes to email, the quality of that data matters more than the quantity. Every invalid, inactive, or fake address in your list isn’t just a missed opportunity — it’s a silent killer of your campaign ROI. High bounce rates tank sender reputation. Poor inbox placement means your messages get ignored. And even a few bad addresses can derail an entire email marketing strategy. If you’re spending real money driving people to opt in, every email n

4 min read
The 5 T’s and 4 D’s of Email Marketing

The 5 T’s and 4 D’s of Email Marketing

Email marketing can be wildly powerful or a complete flop depending on how well it’s managed. As of 2025, inboxes are crowded, attention spans are short, and poorly timed or irrelevant messages are ignored in seconds. That’s where proven frameworks like the 5 T’s and 4 D’s come in. These concepts, when used together, help marketers refine their messaging and streamline operations. Whether you’re launching your first campaign or refining a seasoned strategy, mastering these basics can significa

3 min read