Guides
Build a domain risk heatmap with the Trusted Sender Score APIA security operations centre can learn a great deal from the email domains connected to its organisation. Authentication failures, suspicious reputation…MX Record Availability and Your Domain's Email Security Risk ProfileEmail security is rarely about a single configuration switch. For Australian businesses sending everything from invoice reminders to council election updates,…Finding Legacy Domains That Still Send But Nobody MonitorsMost organisations carry old filing boxes in their DNS: domains set up for a 2017 campaign, a Brisbane pop-up, or a Sydney acquisition, then forgotten. Years…Why a first-time sender domain should immediately raise your suspicionWhen an unfamiliar domain drops into your inbox, the natural reaction is curiosity, not caution. Most people open the message, glance at the sender name, and…How to Check SPF Lookup Count and Why the Ten-Lookup Limit MattersAcross Melbourne boardrooms and Brisbane back offices, plenty of Aussie admins still treat the Sender Policy Framework as a set-and-forget checkbox. Then one…What a spam trap hit reveals about your email list hygieneA spam trap hit can be unsettling, particularly when it comes from a domain with a perfect DMARC record. It may seem contradictory: if the domain authenticates…Monitoring DMARC across multiple domains without exposing credentialsRunning a portfolio of domains is more common than people realise. An Australian ecommerce operator might hold a retail brand on a .com.au, a sibling on a…Why a high reputation domain might still hide stolen brand assetsA domain can sit inside the green zone of a reputation database while failing the deeper trust checks that gateways, browsers and recipients actually rely on.…Testing Email Authentication in Your Staging EnvironmentEmail remains the backbone of business communication across Australia, from sole traders in Adelaide sending invoices to enterprise teams in Sydney processing…What unusual DKIM canonicalization types reveal about a mail systemDKIM is one of those email authentication protocols that sits quietly in the background, signing messages so receiving servers can verify they have not been…