Guides

Automating email blocking with sender trust scores
A domain trust score can help security teams decide whether an incoming message deserves further inspection, quarantine or rejection. By connecting the Trusted…
What a Repeated SPF Failure from One IP Range Reveals
A consistent SPF failure from a single IP range usually points to a defined configuration problem rather than random abuse. The sending system is reaching…
Spotting phishing from a recently trusted domain
A phishing campaign can arrive from a legitimate domain that was compromised only hours earlier. The message may pass basic reputation checks, use a familiar…
Why Weak DKIM Hashing Puts Domain Trust at Risk
Email authentication is meant to give recipients confidence that a message came from an authorised domain and was not altered in transit. A DKIM record helps…
Bulk domain authentication checks for your email marketing list
Email marketing teams often inherit sprawling collections of sending domains after acquisitions, agency handoffs or platform migrations. A Brisbane-based…
What DMARC without RFC5322.From alignment reveals about spoofing risk
Many Australian organisations have worked hard to publish a DMARC record on their sending domains, and that visible step is often treated as proof the inbox is…
Building a custom alert when a domain trust score drops sharply
Email security teams in Australia deal with a steady drumbeat of phishing attempts, business email compromise scams, and impersonation campaigns hitting…
Why a third party's SPF in your domain signals phishing risk
Email authentication has become a frontline defence for organisations across Australia, from small Brisbane startups to large Sydney-based enterprises. The…
Finding domains with a trust score below 40 and recent WHOIS changes
Cybercrime reports filed through Scamwatch and the ACCC keep climbing each year, and Australian organisations across Sydney, Melbourne, and regional centres…
When One Subdomain Produces a Flood of DKIM Failures
A DMARC report with a high number of DKIM failures from a single subdomain deserves prompt investigation. It may reflect a simple configuration error, such as…