Can I fix deliverability by changing ESPs?
Myth: False. Changing ESPs does not automatically fix deliverability. If problems stem from your practices (list quality, engagement, content), they follow you to any ESP.
ESP change may temporarily improve results by accessing new IP reputation, but this fades quickly if underlying problems persist. The new ESP will face the same issues.
Diagnose root causes before changing ESPs. Fix fundamental problems that would affect any platform. ESP change makes sense when infrastructure issues are genuinely at fault.
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