IP Reputation & Management

The "captain's log" for your server. Every IP address has a reputation score based on its history. This section covers how that reputation is built, how to monitor it (using tools like SNDS), and why you must "warm up" a new IP before using it.

12 questions in this topic

What is IP pooling? How do mailbox providers score IPs? How do ESPs pool IPs? How do IPs get delisted from blocklists? What is “cold” vs “warm” IP reputation? How does throttling prevent IP reputation loss? What’s the difference between temporary and permanent blocks? How to detect IP rotation abuse? What are best practices for maintaining IP reputation? How do tools like SNDS or Postmaster monitor IP health? Can IP reputation recover after a blocklist event? How do feedback loops influence IP reputation?

Questions about IP Reputation & Management