Guides

Turn Email Authentication Data Into Actionable Security Trends
Email authentication failures are easier to address when they are viewed as a pattern rather than as isolated alerts. A single failed DKIM signature may result…
Using DMARC Aggregate Reports to Measure Security Training
Security awareness programs are often evaluated through quiz scores, attendance, and simulated phishing results. Those measures are useful, but they do not…
Why Perfect Email Authentication Can Still Hide a Weak Reputation
A domain can publish valid SPF, DKIM, and DMARC records and still receive a poor sender reputation score. Authentication proves that a message is authorized to…
Using Domain Trust Signals in Threat Hunting Playbooks
Email attacks often leave clues in the infrastructure behind a message. A sender domain may have weak authentication, a poor reputation, or a newly registered…
Automatic Checks for Brand-Abusing Newly Registered Domains
Attackers often register domains that resemble a trusted company name, product, or executive identity. These lookalike domains can support phishing pages,…
Assessing Partner Domain Risk Before Business Onboarding
A new supplier, reseller, technology provider, or contractor can introduce email and impersonation risks before the relationship is fully established. A…
How to Spot Phishing After an MX Record Change
A phishing campaign can become more convincing when attackers use a domain whose MX record was changed recently. The MX, or Mail Exchange, record tells the…
Why Every Email List Domain Needs A Trust Score Check
Email marketing performance depends on more than compelling copy and accurate recipient addresses. The domains connected to your campaigns, partner records,…
How to Use the Platform’s API for Bulk DKIM Due Diligence
Email authentication is a central part of vendor, acquisition, and partner due diligence. A domain with a valid DKIM record can demonstrate better control over…
What a Sudden Increase in DMARC Reporting from Unknown IPs Might Mean
A sudden increase in DMARC reporting from unknown IPs can be alarming, especially when the addresses do not match your mail servers, marketing platforms, or…