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Enterprise software Global

An enterprise integration platform audited and rebuilt its marketing list in one quarter

A multi-year-old list had accumulated stale and ambiguous addresses. A full-list audit turned the database into a usable asset again.

Persona: An enterprise API integration platform

+24%
Deliverable share of active list
+9pp
B2B ISP inbox placement

What was breaking

Years of conferences, gated downloads, and acquired-company list migrations had created an addressbook with no provenance and no quality signal. Sending to the whole thing risked the corporate sender domain; sending to recent subsets meant ignoring legitimate enterprise contacts. The team needed an audit, not just hygiene.

How emailzeno fit the workflow

A one-off full-list emailzeno pass classified every address as deliverable, catch-all, role, or undeliverable. The role and undeliverable buckets were suppressed; catch-alls were segmented for cautious re-engagement; deliverables shipped under the existing cadence. The audit doubled as documentation: list provenance was no longer a mystery.

What changed

Sender reputation rose across the major B2B-heavy ISPs. Deliverable share of the active marketing list increased substantially. The team committed to monthly re-verification of new captures so the audit didn't need repeating.

“The audit gave us a defensible answer to "is this list usable?" — for the first time in years.”

Head of Marketing Operations, An enterprise API integration platform

The emailzeno building blocks

Full-list audit reporting

Status + quality score per address; aggregate report sliced by source, age, and provider. Makes list quality a presentable metric.

Role-address detection

info@, noreply@, admin@ and similar role accounts are flagged so they don't silently fuel "engagement" metrics.

Compliance-grade controls

SSO, audit log, SOC 2, DPA — required for enterprise marketing-ops sign-off.

Questions teams ask before adopting

Yes. Audits run in parallel to live sending; you tag addresses with audit results and apply suppression on the next send cycle.

Catch-alls are explicitly distinguished from binary pass/fail. We probe with a canary pattern to estimate deliverability probability so each catch-all gets a numeric score, not a guess.

Yes — both are standard on enterprise plans.

Run the same play.

First 300 verifications free. SSO, audit log on enterprise.

Free forever — no credit card

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300 verifications /mo · five-minute API integration · credit refund on hard bounces. Trusted by senders who treat sender reputation like the asset it is.