How can bad neighbors in shared pools hurt your reputation?

Bad neighbors in shared IP pools hurt everyone by contributing negative signals that providers attribute to the entire pool. Their complaints, spamtrap hits, and spam content drag down the collective reputation you depend on.

When one sender in a pool generates a complaint spike, providers may throttle or filter the entire IP. Your clean, legitimate mail gets caught in the crossfire because it originates from the same address as the problematic traffic.

Reputable ESPs mitigate this through aggressive monitoring and enforcement. They remove bad actors quickly and segment pools so that high-quality senders are not mixed with risky ones.

Bad neighbors are like ships in your convoy smuggling contraband. When the harbor patrol inspects the fleet, everyone gets delayed while authorities figure out which vessels are trustworthy. Choose your sailing companions carefully.

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