Guides
Why One DMARC Report Cannot Prove Sender ReputationA DMARC report is valuable evidence, but it is only a partial view of email trust. A single report may represent one receiving provider, one reporting period,…Why marketing tracking domains deserve regular reputation checksMarketing links often look harmless because they lead through a familiar campaign platform before reaching a product page. However, the tracking domain itself…Weekly domain expiry reviews for high-trust hijack targetsA domain approaching expiry can become a valuable target when it has a strong email reputation, established backlinks, and a history of legitimate business…Building a trusted sender database from scores and email logsA sender database can turn scattered email security signals into a practical source of truth. Instead of relying on memory, inbox reports, or a single…Check email IP trust before updating SPFAn SPF record tells receiving mail servers which IP addresses are authorised to send email for your domain. Adding an address can help legitimate messages…What Unknown SPF and DKIM Results Mean in a DMARC ReportA DMARC aggregate report usually shows how receiving mail systems evaluated messages claiming to come from a domain. Alongside counts, source IP addresses and…Building a Dynamic Blocklist for Low-Trust DomainsA static blocklist quickly becomes outdated. Domains may be compromised, abandoned, or suddenly used for phishing, while legitimate senders can recover after…Enriching Your SIEM With Live Domain Reputation IntelligenceEmail attacks often begin with a domain that appears familiar but has weak authentication, a poor sending history, or signs of spoofing. Adding domain…Building an Automated Inbound Email Trust FilterAn inbound email filter can use sender-domain reputation as one signal in a broader decision process. When a domain falls below a defined trust score, the…What repeated DMARC failures reveal about bulk email setupA high number of DMARC failures from a legitimate bulk sender usually points to an authentication or alignment problem rather than an immediate sign of abuse.…