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bounce rate
Why bounce rates spike
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Security AI Phishing and Email Authentication: When Wording Can't Be Trusted, the Delivery Path Must BeFluent, targeted phishing is now cheap. We review the figures and their weaknesses, explain what authentication can and cannot stop and set out what … 15 Oct 2026 · 8 min readRead post → Email authentication BIMI in 2026: Verified Logos, Common Mark Certificates and Brand Trust in the InboxBIMI shows a verified logo beside authenticated email, but its entry ticket is enforced DMARC. We set out Gmail's requirements, VMC against CMC, the … 15 Oct 2026 · 7 min readRead post → AI and automation AI Agents Are Becoming Email Senders: What It Means for Deliverability, Security and InfrastructureA new class of sender is arriving: software agents with their own inboxes. We review the 2026 funding and product signals, the deliverability and sec… 15 Oct 2026 · 8 min readRead post → Email authentication DMARC Adoption in 2026: Half the Internet Has a Record, Far Fewer Enforce ItTwo independent 2026 studies show DMARC records are common while enforcement lags. We compare their numbers, explain why domains stall at p=none and … 14 Oct 2026 · 6 min readRead post → Deliverability Bulk-Sender Rules 2026: How Gmail, Yahoo and Microsoft Moved from Warnings to RejectionsAuthentication went from best practice to the price of entry in under three years. This analysis traces the Gmail, Yahoo and Microsoft timeline, comp… 14 Oct 2026 · 6 min readRead post → AI and automation Gmail's Gemini Era: What AI Inbox Summaries Mean for Email SendersGoogle brought Gemini to Gmail in January 2026. This analysis separates what was announced from what is guesswork, uses Litmus and Radicati data to s… 14 Oct 2026 · 8 min readRead post →

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