MailGuard AI Spam Detector
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MailGuard AI — Intelligent Email Security
MailGuard AIIntelligent Email Security
Model online

Threat intelligence / live workspace

Detect. Explain. Protect.

Analyze message signals with an explainable spam classifier built for fast, confident decisions.

Ready for analysis0 scans today
01 / INPUT

Email analysis

02 / DECISION

Detection result

LR · v1.4
0.0%spam probability
Awaiting analysis

Submit an email to reveal the model decision and its supporting evidence.

Model confidence—
Threshold50%
ModelLogistic regression
Model score—
03 / SIGNALS

Extracted features

0
Suspicious words—
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Links detected—
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Suspicious links—
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Email length—
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Word count—
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Urgency indicators—
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⌁Signals will appear here after analysis.
04 / EXPLANATION

Detection evidence

Why the model decided
◎No evidence yetRun an analysis to see the decision broken into clear signals.
05 / INSPECT

Message highlights

Annotated
Suspicious wordsRisky linksUrgency
Your analyzed message will be annotated here.
06 / INTERPRETATION

What influenced the prediction?

Local baseline + contextual weights, not guaranteed causal explanations
Analyze an email to compare feature influence.
07 / MULTIMODAL

Risk breakdown

Enhanced signals
Analyze an email to map text, URL, structure, and metadata risk.
08 / CONTENT SIGNALS

AI-assisted phishing indicators

Heuristic
—AI-content indicator
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Indicators associated with automated or AI-assisted writing are not definitive proof of AI authorship.

Phishing risk—

Analyze an email to see separate phishing and AI-content signals.

Operational record

Analysis history

Review recent classifications and reopen any message for its evidence trail.

0 analyses
TimeSenderSubjectProbabilityResultOpen
◌No analyses match this filterYour completed scans will appear here.

Explainable machine learning

Model insights

A transparent look at how feature signals become a probability.

LOGISTIC REGRESSION · V1.4
MODEL FUNCTION

Sigmoid decision curve

σ(z) = 1 / (1 + e⁻ᶻ)
Sigmoid probability curve with current model score1.00.50.0low scorehigh score50% threshold
Model score—
Sigmoid output—
Spam probability—
Classification—
FEATURE VECTOR

Input features

X1 · Word frequency—
X2 · Link risk—
X3 · Email length—
w1 · vocabulary4.20
w2 · link risk3.10
w3 · length signal0.95
b · intercept−2.10
Weighted score→Sigmoid→Probability→Class
MODEL STORY

Baseline → enhancement

Baseline model3 features

Word frequency, link risk, and email length feed the existing sigmoid model.

→
Enhanced assessment10+ signals

Text, URLs, structure, metadata, explanations, and content indicators add context without replacing the baseline.

EVALUATION

Model metrics

Dataset required
Connect a labeled test set to calculate baseline-versus-enhanced precision, recall, F1, ROC-AUC, and PR-AUC. No performance numbers are fabricated in this demo.

Investigation canvas

Signal analysis

A focused view of the latest message and its extracted indicators.

⌁No message analyzed yetYour latest feature map will appear here after a scan.
WORKSPACE

Workspace settings

EXPLAINABILITY

Why this result?

Analyze an email to generate a local model explanation.