Blog
Notes on email authentication, DMARC, and domain security — including what we find checking our own domain.
31 August 2026
We Found DMARC p=none on Our Own Domain — Here's How We Fixed It
A domain security company found a real security gap on its own domain. Here's what DMARC p=none actually means, and the two-step fix that took our own score from 73% to 82%.
31 August 2026Google and Yahoo's Bulk Sender Rules, Explained
Since 2024, Google and Yahoo require SPF, DKIM, and DMARC for anyone sending bulk email — including small business domains. What the rules actually require, and how to check if you comply.
31 August 2026BIMI Explained: How to Get Your Logo Showing in Gmail and Yahoo Inboxes
BIMI shows your brand's logo next to your email in supporting inboxes, but only if DMARC is actually enforced. What BIMI requires, why most domains fail before the logo step, and whether it's worth it without Gmail's certificate.