email authentication
2 articles
BIMI in 2026: How to Get Your Logo Next to Your Emails
A step-by-step BIMI setup guide for 2026: DMARC enforcement, the SVG logo spec, VMC vs CMC certificates, real costs, and where logos actually display.
SPF, DKIM and DMARC in 2026: Gmail, Yahoo and Outlook Setup Guide
Set up SPF, DKIM and DMARC for the Gmail, Yahoo and Outlook sender rules, with exact DNS records and what the new DMARC standard (RFC 9989) changes.