Guides
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…How to Verify the Authenticity of an Email from a Known PartnerAn email from a familiar supplier, customer, or service provider can appear trustworthy at first glance. The sender’s name may be recognizable, the branding…How To Automate Trust Verification For Incoming Email AttachmentsEmail attachments remain a productive part of business communication, but they also give attackers a practical delivery channel for malware, phishing…What a Sudden Spike in DMARC Reports RevealsA sudden increase in DMARC reports is an early warning that something has changed in the way a domain’s email is being sent, received, or evaluated. The cause…