[ 01 ]
Reputation damage compounds fast
Once a domain starts landing in spam, continuing to send from it makes the problem worse, faster than a human is likely to notice and react.
Reputation circuit-breaker
Most cold-email tools tell you about a reputation problem after a batch has already gone out. CogniLead reads Google Postmaster Tools continuously and automatically pauses the specific sending domain the moment its spam rate or reputation drifts — before one bad send drags the rest of your sending down with it.
The problem
[ 01 ]
Once a domain starts landing in spam, continuing to send from it makes the problem worse, faster than a human is likely to notice and react.
[ 02 ]
Watching Postmaster Tools by hand means you find out about a problem after a batch has already gone out, not before.
[ 03 ]
Without a safeguard scoped to the specific domain, a single reputation problem is hard to isolate — teams often respond by second-guessing every domain, not just the one that drifted.
[ 04 ]
A domain that stopped sending because it was throttled looks the same as one that is simply idle — without a recorded reason attached, you are left guessing which one you are looking at.
How it works
A Postmaster-based monitor that auto-pauses a sending domain the moment its spam rate or reputation drifts — before one bad batch damages the rest of your sending.
Spam-rate and reputation signals are checked on an ongoing basis, not on a manual schedule someone has to remember to run.
A domain reputation reading of LOW or BAD from Google Postmaster Tools, or a user-reported spam ratio above 0.3% — crossing either threshold is what the breaker is watching for.
The moment a domain’s signals cross a safe threshold, sending from that specific domain pauses automatically — the goal is to catch it before it fully burns.
A paused domain resumes once reputation reads HIGH or MEDIUM again with spam rate back under threshold — an unclear (UNKNOWN) reading is deliberately not enough to resume on.
The mechanism, live
An illustrative example: a single domain’s reported spam rate climbs toward the pause threshold, crosses it, and the domain is paused on its own — resuming only once a clean reading comes back.
[ 01 ]
Every 6 hours
Default poll cadence
[ 02 ]
Spam rate > 0.3%
Pause threshold
[ 03 ]
Reputation HIGH or MEDIUM
Resume requires
Always watching
Every sending domain is read against Google Postmaster Tools on a recurring cadence, not a schedule someone has to remember to run. The moment one domain’s signals cross a safe threshold, it pauses on its own — and resumes only once a genuinely clean reading comes back.
FAQ
Spam-rate and reputation signals from Google Postmaster Tools drifting past a safe threshold for that domain.
No — the circuit-breaker acts on the specific degrading domain. Other domains in the pool keep sending normally.
Yes — paused state is visible on the dashboard, along with the reason, so you know why a domain stopped sending.
No — bounce and complaint handling (suppression) is a separate mechanism; see /features/compliance-suppression. The circuit-breaker acts on aggregate reputation signals, not individual bounces.
The circuit-breaker works alongside the pool it protects: the warmed sender pool.
Every email you send without protection is a gamble on whether it reaches the inbox at all. Bring your leads — CogniLead handles the warmup, the safety checks, and the cleanup, so you don't have to think about deliverability again.
100 sends a month, free forever · no credit card · cancel any time