Finding Lookalike Domains With Fuzzy MatchingA legitimate brand can be copied long before anyone notices. Attackers register domains that resemble a company’s name, product, or service, then use them for…Why You Shouldn't Rely Solely on SPF to Block Phishing EmailsSPF is an important email authentication control, but it was never designed to determine whether a message is trustworthy. It verifies whether a sending server…How to Check Whether a Sender IP Is BlocklistedAn email sender’s IP address can lose trust for several reasons, including spam complaints, compromised accounts, malware, poor list hygiene, or an incorrectly…How to Track Email Reputation Changes in the DashboardEmail reputation can shift gradually or change sharply after a configuration error, suspicious campaign, or burst of outbound activity. A single score offers a…Automate Domain Trust Checks in Your SIEMSecurity teams often investigate suspicious messages under time pressure. A domain reputation lookup can add useful context, but manually checking every…What a Sudden Drop in Your Domain’s Trust Score Might IndicateA domain trust score is a useful signal of how safely an email domain appears to operate. It can reflect authentication quality, reputation history,…Detecting Phishing Emails When SPF Is MissingA phishing message can appear to come from a real company, customer, or colleague while using a domain with no published SPF record. The familiar domain name…Why Monitoring DMARC Reports Protects Your Sending IdentityEmail authentication is often configured once and then forgotten. That approach leaves a blind spot: domains can continue sending mail through old vendors,…What Your Domain’s DMARC Failure Rate Reveals About Email SecurityA domain’s DMARC failure rate shows how often receiving mail systems see messages that do not pass the sender authentication checks published for that domain.…Why Valid SPF Does Not Prevent PhishingA valid Sender Policy Framework (SPF) record is an important part of email security, but it is not a complete anti-phishing control. SPF tells receiving mail…