Infrastructure

Deliverability in 2025: Why Shared IPs Are Killing Your Campaigns

ByBenji Walker, Deliverability Architect
9 min readJuly 26, 2025
Deliverability in 2025: Why Shared IPs Are Killing Your Campaigns

If you’re on Mailchimp’s free plan, you’re sharing IP reputation with spammers. Cresca offers clean, dedicated delivery paths and tools to improve your sender score every day.