The optics lab

The optics lab.

Three instruments, one purpose: keep deliverability evidence legible without pretending gray results are certainties.

Single verification interface illustration

The Prism

Verify one address or inspect a small batch. Syntax, mailbox signals, and domain context stay separated so a risky result does not masquerade as a pass.

Start with Glance

Bulk CSV verification interface illustration

The Sieve

Upload CSV files from lists you own or have consent to process. Trueinbox deduplicates, grades risk, marks catch-all domains, and prepares clean exports.

Scan a CSV

Domain health reporting interface illustration

The Ledger

Audit plans add MX, SPF, and DMARC health reports, scheduled re-checks, and a visible record of what changed between calibration passes.

Audit domains

Single checksFast verification for one address.

Bulk CSVUpload, dedupe, grade, export.

Domain reportsMX, SPF, and DMARC signals.

API + webhooksProve connects verification to your stack.