Operations board
Every signal MX Sentinel collects for this tenant, on one screen. Headline figures count messages; the trend charts count delivery attempts, and say so.
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Delivery
How much mail got through, and what it cost in retries.
Message fate
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Retry pressure
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By receiving provider
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Inbox placement
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Traffic
Delivery attempts over the last 30 days — a retried message appears once per attempt. This is the only attempt-level view on the board.
Delivery attempts by outcome
- Delivered
- Deferred
- Bounced
- Rejected
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Domains
DNS posture, health score and volume, joined per sending domain.
Domain board
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Top sending domains
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Authentication
What receivers report back about mail claiming to be from your domains. Counts are the messages named in DMARC aggregate reports.
Alignment
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DMARC pass rate
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Sending sources
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Reputation
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Failures
Why mail was refused, and what it did to the suppression list.
Rejection reasons
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Bounce classes
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Infrastructure & security
The relay itself, and who is using it.
Egress IP health
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Relay endpoints
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Credential security
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Volume movers
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Open incidents
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