UZonMail: Bulk Email Solutions
From the repo · “宇正群邮是一款开源的邮件群发软件，提供邮件群发、邮件营销(EDM)、邮箱采集、任意变量、AI 生成、多线程并发等功能。支持所有类型邮箱账号。原生企业级品质，支持多端用户，支持Windows、Linux、MacOS等操作系统, 支持服务器部署。已在外贸营销、教育培训、财务会计等多个行业广泛使用。 UZonMail is an open-source, enterprise‑grade bulk email and mass‑mailing platform designed for high‑volume EDM and email marketing campaigns. Widely adopted in industries such as education and finance”
Send or schedule large emails to many people with UZonMail, a free and open-source bulk email platform.
"A founder wants to welcome new customers with a personalized email when they make a purchase from their online store. They use UZonMail to bulk-email the welcome message and set up an automation. Now their new customers get the email automatically, and they don't waste time sending them via their personal account."
- •When you need to send thousands of emails for a marketing campaign
- •When you want to automate email marketing workflows with custom variables and AI-generated content
- •When you require a self-hosted email marketing solution that supports multiple email account types
Create a new email campaign with `var campaign = new MailCampaign { Template = "Hello {Name}", Recipients = new[] { "user1@example.com", "user2@example.com" } };` and send it using `var sender = new MailSender(); sender.Send(campaign);`Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.
Expect 20–40 minutes in a terminal — or let your AI agent drive it.
mkdir -p ~/.claude/skills/uzonmail && curl -fsSL https://workflowstacks.com/api/skills/uzonmail/claude-skill -o ~/.claude/skills/uzonmail/SKILL.mdOpens the app with this repo with the prompt ready to go — no copy-paste needed.
UZonMail: Bulk Email Solutions is a very large C# project (~216k lines across 1031 code files, plus 91 test files). It is a full software project: use it through its install path rather than reading it end to end. Last commit a month ago, Apache-2.0 license, has a test suite.
- 1readme.mdStart here — what it does and how to install it
- 2AGENTS.mdThe instructions the AI actually follows
- 3src/api/readme.mdInside src/ — the main logic begins here
Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.
Expect 20–40 minutes in a terminal — or let your AI agent drive it.
mkdir -p ~/.claude/skills/uzonmail && curl -fsSL https://workflowstacks.com/api/skills/uzonmail/claude-skill -o ~/.claude/skills/uzonmail/SKILL.mdOpens the app with this repo with the prompt ready to go — no copy-paste needed.
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Do this with a working workflow
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