Guides
Why DKIM Key Rotation Matters for Email SecurityEmail remains a primary channel for business communication, account recovery, invoices, and customer support. That makes it an attractive target for attackers…Building Custom Trust Verification With Developer ToolsEmail trust checks become more useful when they fit the way your organization already works. Instead of reviewing domains manually, security teams can connect…How to Check an Unknown Email Sender’s DomainAn unfamiliar email address deserves more than a quick glance at the display name. The visible sender can be forged, a trusted brand can be impersonated, and a…What to Do If Your Domain Appears on an Email BlacklistDiscovering that your domain appears on an email blacklist can explain a sudden drop in deliverability. Messages may be rejected outright, routed to junk…How BIMI Strengthens Email Sender TrustEmail trust is shaped before a recipient reads a message. Mailbox providers evaluate authentication records, domain reputation, sending behavior, and signs…Using Trusted Sender Score to Verify a Vendor EmailA familiar vendor name and a professional-looking signature do not prove that an email is genuine. Attackers frequently impersonate suppliers, contractors,…How to Protect Your Domain from Being Used in a Spoofing AttackEmail spoofing happens when criminals forge a trusted domain in the visible sender address or in technical message headers. The goal may be to steal…Why Small Businesses Should Monitor Their Email Sender ScoreEmail is often the most important communication channel for a small business. It supports sales, invoices, appointment reminders, customer service, password…How to Scan a Domain for Security Breaches and BlacklistsA domain scan can reveal whether an organization’s email identity, website reputation, or exposed credentials may create a security risk. These checks are…How to Automate Email Trust Verification With an APIEmail trust verification can become difficult when a security team must assess hundreds or thousands of domains, mail streams, or sender identities. Manual…