BIMI: Why Your Logo Isn't Showing Up in Gmail
Your competitor's logo shows up next to their emails in Gmail. Yours doesn't. Here's exactly why BIMI fails silently, what Gmail actually requires in 2026, and how to fix it.
Your competitor's logo shows up next to their emails in Gmail. Yours doesn't. Here's exactly why BIMI fails silently, what Gmail actually requires in 2026, and how to fix it.
Email authentication is more than SPF, DKIM, and DMARC. This guide explains all major authentication and transport security methods including ARC, BIMI, MTA-STS, TLS-RPT, reverse DNS, PTR, HELO, and DANE with DNS record examples and configuration details.