Guides
What “Other” and “Unknown” DMARC Recipients Can RevealA DMARC report is intended to show how messages claiming to come from your domain are being handled. It can reveal authentication results, sending…Detecting BEC Through a Compromised Vendor DomainA business email compromise (BEC) attack does not always come from a fake address. In a more difficult scenario, criminals gain access to a genuine supplier’s…Verify Email Trust Before Sending Your Next CampaignA clean contact list can still contain risky email addresses. Domains may have been hijacked, abandoned, misconfigured or used in previous phishing campaigns.…Finding expired domains with trustworthy email authenticationExpired domains can look attractive to Australian businesses, marketers and security teams because they may retain useful backlinks, brand relevance or a…When Domain Trust Falls Without Authentication ChangesA sudden drop in your domain's trust score without authentication changes can be alarming, especially when DKIM, SPF and DMARC records appear unchanged. The…Why an MX Server Check Can Expose Hidden Phishing RisksA phishing domain can look convincing while its website, branding and email content appear legitimate. Checking the reputation of the sender’s mail…Why Trusted Domains Can Still Enable Social EngineeringA perfect domain trust score is reassuring, but it is not proof that every message from that domain is safe. Reputation systems usually assess signals such as…How Email Authentication Reveals Sender TrustVerifying the trust of an email sender requires more than checking the display name or recognizing a familiar logo. Attackers can imitate legitimate brands,…Turn Email Authentication Data Into Actionable Security TrendsEmail 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 TrainingSecurity awareness programs are often evaluated through quiz scores, attendance, and simulated phishing results. Those measures are useful, but they do not…