Resources

Email Security resources

Email protection involves messages, identities, and the decisions people make. Explore practical guidance on authentication, suspicious requests, filtering, and the limits of individual controls.

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Explore Email Security guidance.

BlogEmail DLP: Decide Which Sensitive Messages to Block

Turn a sensitive-data policy into email controls using a worked payroll example, clear delivery decisions, and an approved way to complete the transfer.

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BlogEmail Queuing vs. Email Continuity: Plan for a Mailbox Outage

Follow a mailbox outage through a dispatch deadline to decide when queued delivery is sufficient and when employees need an alternate way to work.

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BlogDMARC and Email Forwarding: Why Legitimate Messages Fail

Trace how automatic forwarding changes SPF, DKIM, and DMARC results, then choose a correction for the mail route, signing, or trusted intermediary.

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BlogPassword-Protected Attachments: Can Email Security Scan Them?

Password protection can leave an attachment unreadable to email inspection. Learn what the result means and how to define a workable review process.

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BlogQR-Code Phishing: When Work Email Moves to a Phone

A QR code in a work email can move the next click onto a different device. Understand the coverage gap, safer verification, and what employees should report.

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BlogHow to Reduce Cybersecurity False Positives Without Slowing Down Business

Reduce mistaken security blocks with evidence-based tuning, narrow exceptions, and clear review workflows across email, web, network, and endpoint controls.

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BlogWhy a DMARC Pass Does Not Mean an Email Is Safe

Understand what SPF, DKIM, and DMARC results establish, why authenticated messages can still be deceptive, and how to use those results in email review.

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BlogVendor Bank-Detail Changes: A Verification Checklist

A practical workflow for verifying vendor bank-detail changes, protecting trusted contacts, documenting approval, and escalating suspected payment fraud.

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BlogPhishing Simulation Metrics: Beyond Click Rates

Use campaign difficulty, reporting behavior, response time, and documented follow-up to interpret phishing simulation results and decide what to improve.

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Out of the BoxOut of the Box June 2026

June 2026: distinguish dark web exposure, IP and domain reputation, and brand sentiment, with Network Box USA's explanation of security monitoring.

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White PapersAdding SPF to your Anti-Spam Solution

Discover how NBUSA uses SPF to stop email spoofing by verifying that messages claiming to be from your domain are sent only by authorized servers.

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Out of the BoxOut of the Box February 2025

Introducing Box Mail: Smarter, Cloud-Ready Email Management for Every User

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BlogGet Leading Malware Prevention with White Cloud Security & Network Box USA

At Network Box USA, we are excited to introduce you to White Cloud Security, a powerful offering in our comprehensive cybersecurity solution set that provides unmatched protection against cyber threats.

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