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bytemail 是一款用 Swift 原生打造的 Mac 邮件应用，聚合 Gmail、iCloud、Outlook 等所有 IMAP 收件箱，并将新邮件与验证码集成到 MacBook 刘海区域。它内置跟踪像素拦截、仿冒发件人识别、本地处理隐私保护，并提供面向 Claude 等 AI 应用的 MCP 服务器。
开发者发布开源桌面邮件客户端 Inboxed，基于 Tauri、SvelteKit、Tailwind 和 Go 构建，支持多账户统一收件箱、双向 IMAP 同步、SMTP 收发与本地 SQLite 存储，目前仅支持 macOS。
Umbra Mail 是一款更安静、私密的 Gmail 替代品，邮件以聊天线程形式呈现，通讯录/newsletter 集中一页，AI 可选，无追踪、无服务器且开源，已在 Product Hunt 发布。
The author of Inbox Zero has released Inbox Zero Mail, an open-source alternative to Superhuman offering keyboard-first operations, a unified Gmail/Outlook inbox, AI auto-categorization and reply drafting, mass unsubscribe, and team collaboration — available on web, desktop, iOS, and self-hosted.
Thunderbird 分享了其正在从零原生开发的 iOS 邮件应用的首览，重点介绍了免打扰设置、后台同步、编辑器格式化工具以及支持社区贡献的功能标志系统，首个社区测试版本预计在几个月内推出。
Inbox Zero Mail launches as an open-source, keyboard-first email client for Gmail and Outlook, offering an AI add-on that sorts emails and drafts replies in your voice.
Penguin Mail 1.0.0 is an open-source Rust email and calendar client for Linux that supports Gmail, Microsoft, IMAP/POP3 accounts, with an optional offline AI assistant that can run locally via Ollama or LM Studio. It emphasizes privacy, with no server-side tracking and GnuPG-based encryption.
A tweet from Nathan Flurry questioning the status of the Superhuman email client and expressing a desire for an email client with Vim keybindings.
Skim is a free, open-source AI-powered email client for Windows.
Superhuman launches a new auto-draft feature that uses frontier models from Anthropic and OpenAI to generate email replies that match the user's tone. Early beta testing shows 40% of auto-generated drafts were sent within a day, with 60% sent without manual editing.
Thunderbird shares findings from user research on desktop settings, highlighting key themes like trust, clutter reduction, and navigation challenges, and outlines planned improvements such as clearer language and streamlined information architecture.
Cloudflare has open-sourced Agentic Inbox, a self-hosted email client running entirely on Cloudflare Workers, with a built-in AI assistant. It supports automatically reading emails and generating reply drafts, and can be deployed to your Cloudflare account with one click.
Quartz is an AI email client that runs locally on Mac, designed for focused email management.