Sender Reputation Tier Calculator
Maps your sending pattern into one of five reputation tiers (Cold, Building, Established, Trusted, At-Risk) with the specific actions to move up or stop the decline.
Top tier. Maintain by holding complaint <0.1% and bounce <3%. You can ramp aggressively if needed.
Combines domain age in days, average daily volume, lifetime complaint rate, lifetime bounce rate, and ramp velocity into one of five tier labels with a one-paragraph remediation playbook for each.
Quarterly health check on a sending domain. Before launching a new outbound program from an old domain that's been dormant.
FAQ
How is this different from Google Postmaster Tools?+
Postmaster Tools shows what Google sees; this tool estimates what most MBPs probably see based on the same inputs. Use both: Postmaster Tools is ground truth at Gmail, this estimator generalizes.
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Articles, glossary entries, and other tools on the same topic.
You ran the math. Outsolvi makes it real.
Calculators tell you what the number should be. Outsolvi tells you what your number actually is — confidence-scored opens, real reply sentiment, live deal-level signal across Outlook and Gmail. From $7/user/mo yearly, 14-day free trial.
See it on your own inboxNate built Outsolvi after watching every email-tracking tool he had ever used lie to him about opens. Outsolvi runs Tier 1 to 5 confidence scoring on every open, native in Outlook and Gmail, so the number on the dashboard is one a rep can actually act on.
We update these pages when the underlying mechanics change — new mailbox-provider rules, new tracker behavior, new measurement gaps. The dates above are real revisions, not auto-touches.