Guides

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…
Spotting Legitimate Bulk Senders vs Spoofers in DMARC Reports
For Australian marketers, IT managers and small business owners running campaigns through Mailchimp, Klaviyo, SendGrid or a local ESP, the daily DMARC…
When a Low Trust Score Hides Deeper Deliverability Risks
Most senders treat the absence of spam complaints as a clean bill of health, but trust scoring reveals a much messier picture. A domain can sit quietly under…