Smarter Sending Starts Here: How Agencies Use ZeroBounce and Klaviyo Together

Key takeaways Bad data hurts even the best campaigns. Invalid, outdated, disposable, and risky email addresses can increase bounce rates, damage sender reputation, and skew campaign metrics. Email quality is becoming a bigger competitive advantage. With mailbox providers tightening requirements, agencies can no longer afford to ignore list hygiene. Better data directly impacts campaign…