Email Deliverability Test & Infrastructure Check | Deliverability Desk
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DeliverabilityDesk Run Deep Scan
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Email infrastructure inspection

Find the weak points in your email infrastructure.

Run a free email deliverability test and see where delivery, reputation, security, or visibility could break down.

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No signup. No mailbox access. No DNS changes.
Observation layer

A deeper email deliverability test

Most email checks look at one record or one signal.

Deliverability Desk looks across the public infrastructure behind your business email, connects the findings, and shows what deserves attention first.

The scan includes authentication, DNS, transport security, sender exposure, blocklists, reputation signals, and other publicly available evidence.

Your domain
company.com
Security Who is allowed to send?
Reputation How sending systems are seen.
Infrastructure What your email depends on.
Delivery Where failures may appear.
Visibility What your team can actually observe.
Weak point · severity · next action

Find the weak points. See what to fix.

Every finding is ranked by severity.

Critical High Medium Low

Open any issue to see what was found, why it matters, what needs to be checked next, and the tools or platforms that can help fix it.

No generic health score.
Just the issues worth looking at.

Deliverability Desk is an infrastructure-based email deliverability test. Public data cannot confirm inbox placement, private sender reputation, complaint rates, or every system sending on behalf of your domain.

Weak points found Example board — not results for your domain
Critical DMARC policy not enforcing Fix →
High SPF authorization near lookup limit Fix →
Medium Transport reporting unavailable Fix →
Informational BIMI not configured Review →
High Under investigation · illustrative finding
SPF authorization is close to its lookup limit
9 of 10 permitted DNS lookups currently used.
Why it matters What to check next Fix this issue →
Don’t keep checking manually.
Get important email-infrastructure changes in Slack or Microsoft Teams. Free forever.
Slack Microsoft Teams
Phase 1 — Public infrastructure

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Findings
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Highest severity
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Technical summary

Attribute
Observed value
Evidence
State
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Findings by technical layer

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Boundary of public data
What public data cannot prove
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Phase 2 records these four capabilities from your own answers so the coverage map separates measured evidence from stated practice.
Phase 1 complete
Four operational questions remain
Roughly two minutes. Answers are recorded as stated practice, not measured evidence.
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Recorded as a visibility gap for {{ q.capability }}. It will appear on the coverage map, sourced to this answer. Continue with the remaining questions.
Phase 3 — Technical coverage map

Remediation board for {{ domain }}

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Source
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Keep watching
Get alerted if something important changes.
Free alerts to Slack or Microsoft Teams. No agent, no mailbox access.
Remediation workspace
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Public evidence
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Recommended action
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Expected result

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Confirm recovery

Re-run the public check once the change has been published and had time to propagate.

Rechecking public infrastructure…
Not verified
Fresh public verification is unavailable for this finding, so no new infrastructure evidence was recorded.
Nothing is marked resolved without a fresh result. Review the current evidence and confirm the affected system manually when a public recheck is not applicable.
We couldn’t complete the check. Please try again shortly.

This gap cannot be verified from public data. Record the outcome yourself once the process is in place.

Recorded in this session only. Deliverability Desk cannot observe internal process from public data.
Rather not check this by hand again?
Observed
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Interpreted evidence

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Resolved authorization chain
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Raw technical evidence 
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Free, official and self-managed
These can answer the immediate technical question without a commercial platform.
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Platforms
Relevant to this issue.
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Open provider →
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Other relevant platforms
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Specialists
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Provider relationships

EasyDMARC is a Deliverability Desk partner. Referenced providers are included because they may be relevant to the issue and are not implied to be partners. Commercial relationships do not change scan findings or severity.

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Sent

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Not sent

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Free alerts. Forever.

Create your free Deliverability Desk account to monitor your email infrastructure and send important changes to Slack or Microsoft Teams.

Slack Microsoft Teams
We’ll still send essential service emails related to your account and alerts, such as verification, delivery failures, monitoring interruptions, and security notices.
Free forever No credit card required.
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Best-effort monitoring. Deliverability Desk is an enthusiast-built project. Public data can be incomplete or delayed, and alerts may occasionally be missed or inaccurate. Don’t use it as your only monitoring or security control.

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Set up your first alert
Now choose what to watch.
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Set up free alerts

We’ll keep checking the public infrastructure for this domain and send important changes to your team.

What should we watch?
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Where should we send alerts?
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Your webhook is used only to deliver alerts to the destination you choose.
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What should we alert on?
Recommended alerts are selected. You can change these later.
We'll periodically re-check your public email infrastructure.
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You’re watching
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We’ll send an alert when a monitored public signal changes in a way that matches your alert settings.

Best-effort monitoring. Alerts may be delayed, missed, or occasionally inaccurate. Don’t use Deliverability Desk as your only monitoring or security control.
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Alerts
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Delete alerts for this domain? This removes the subscription.
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