Guides
How External Tools Can Change Your Domain TrustA domain’s trust score reflects more than the quality of its website or mail server. Every platform authorized to send messages for the domain can influence…How Sender Scoring Classifies Unknown Inbound EmailsUnknown inbound emails are not automatically malicious. A message may come from a new supplier, a recently configured marketing platform, or a legitimate…A Practical Weekly Domain Trust Health ScanA domain can remain active and deliver email while its trust posture quietly deteriorates. Expired authentication records, unauthorized senders, DNS changes,…Build a Custom Phishing Detector With the Platform APIPhishing detection becomes more effective when it evaluates several trust signals together instead of relying on a single blocklist or keyword rule. The…Why sender domain verification should come before every clickEmail links are designed to create momentum. A familiar logo, urgent warning, or personalized greeting can make a message feel legitimate before you inspect…How to Recognize Phishing Emails Linked to Misconfigured MX RecordsA phishing email can appear legitimate because it uses a familiar domain, a convincing logo, or a message that resembles a routine business request. In some…Using Email Trust Signals in Procurement Due DiligenceProcurement teams increasingly assess vendors through cybersecurity questionnaires, compliance reports, and external reputation signals. Email trust data adds…What a Weak DKIM Key Length Means for Email SecurityEmail security depends on several controls working together, and DKIM is one of the most visible. DomainKeys Identified Mail adds a cryptographic signature to…Why Strong Email Authentication Still Cannot Stop Every PhishEmail authentication is a critical foundation for modern domain security. Technologies such as SPF, DKIM, and DMARC help receiving mail systems verify whether…How to Check a Sender’s IP Reputation with Trusted Sender ScoreA sender’s IP address is one of the signals email providers use to judge whether a message should reach the inbox. A poor IP reputation can lead to spam…