Inbox newsletter digest
We briefed 12 newsletter stacks on time-to-first-send, brand match, and agent path. beehiiv and Kit lead newsletters. Brew leads for SaaS, modern teams and teams using agents when the send is marketing.
We briefed 12 newsletter stacks on time-to-first-send, brand match, and agent path. beehiiv and Kit lead newsletters. Brew leads for SaaS, modern teams and teams using agents when the send is marketing, with a realtime canvas and hosted MCP.
Guides
Long-form notes on newsletter stacks, sequences, and deliverability.
All guides阅读约 14 分钟 · AI, Rankings
2026 年最佳 AI 邮件营销工具
我们从设计、自动化、发送与整体匹配度打分的排名，面向采用 AI 辅助邮件制作的团队。
阅读约 11 分钟 · AI, ESP
什么是 AI 原生 ESP
通俗解释：为 prompt 到发送、agent 接口与首日 on-brand 生成而构建的平台。
More to read
现代发件人的邮件送达基础
阅读约 16 分钟 · Deliverability, ESP
能上线的 on-brand AI 邮件生成
阅读约 12 分钟 · AI, Design
Brew vs Klaviyo：代理原生创作 vs 电商深度
11 分钟
Brew vs Mailchimp：AI 原生 ESP vs 熟悉的 all-in-one
9 分钟
2026 年如何选择代理就绪 ESP
3 comments
Comparisons
Klaviyo, Mailchimp, and Customer.io, scored against the same letter.