After 20 Years of Trying to Kill Email, AI Agents Rediscover It as a Universal Protocol

signulll · x · 2026-10-12

signulll observes that after two decades of trying to replace email, the AI agent era is rediscovering it as a universal messaging protocol. Email already offers nearly everything agents need: authentication, universal addressing, async communication, federation, attachments, routing, and global adoption.

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