
Half-Year Review: Email in the AI Inbox Era
Six months that rearranged the reading layer: Gemini in Gmail, Microsoft rejecting outright, DMARC finally a standard. What the first half of 2026 means for senders.
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Six months that rearranged the reading layer: Gemini in Gmail, Microsoft rejecting outright, DMARC finally a standard. What the first half of 2026 means for senders.

Five months of AI Overviews data shows opens up and clicks down: recipients read summaries. How to structure email so the model's version still does your job.

Gmail's January update puts Gemini between senders and readers: thread summaries, an AI-prioritized inbox, and suggested replies. What changes for email programs.

Spam filters do not detect AI authorship. They detect what careless AI usage produces: template sameness, volume spikes, and engagement decline. Where the real risks are.