Guides, best practices and news about email deliverability, DNS authentication and domain security.
Complete guide to BIMI (Brand Indicators for Message Identification): prerequisites, VMC certificate, DNS setup and impact on trust.
Complete guide to setting up a DMARC record on your domain: syntax, policies, RUA reports and best practices.
Everything about email blacklists (RBL/DNSBL): how they work, why your IP or domain is listed, and how to get removed step by step.
Understand the factors that influence your email deliverability: IP reputation, DNS authentication, content, engagement and monitoring.
Complete guide to DKIM (DomainKeys Identified Mail): how cryptographic signatures work, DNS setup, key rotation and troubleshooting.
Everything you need to know about SPF (Sender Policy Framework): syntax, mechanisms, the 10 DNS lookup limit, and step-by-step configuration.