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What a cloud provider ip4 range in SPF reveals about hosting riskWhen an email lands in an inbox, the receiving server runs silent checks before deciding whether to trust it. One of the most revealing of those checks sits in…ting phishing attacks that misuse your domain in the Return-PathEmail security teams across Australia are seeing a sharp rise in phishing campaigns that weaponise the recipient's own domain. Attackers route bounce messages…DMARC quarantine dispositions may signal overly aggressive filtersDMARC reports give domain owners a window into how receiving mail servers handle messages claiming to come from their domain. Three dispositions appear in…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…