Self-hosted inbound email infrastructure with a high-performance C++ SMTP ingestion engine, local storage, and developer APIs.
Realistic email testing server in a single Docker container. SMTP, IMAP, DKIM/DMARC, spam filtering, REST API, Node/Python SDKs, and an MCP server.
Mailosaur email and SMS testing library for Python
A lightweight Python/Tkinter lab for email dates, attachments and SMTP diagnostics. 邮件日期、附件与投递诊断小工具。
Local emulator for E2E testing: fake SMTP, Telegram, WhatsApp, SMS, push, Slack, Discord, Stripe & OAuth with a web timeline and MCP server for LLM agents.
Email Health Check - A self-hosted email deliverability and authentication checker. Send an email to your test address and get a report back with the domain's PTR, SPF, DKIM, and DMARC results, along with some additional information. Includes an optional Web UI (Flask).
Python skript pro automatické generování a odesílání testovacích emailů
⚡ Stop wasting hours on email QA. Drop in a Jinja2 template, automatically mock real-world data, and preview every conditional branch in your Gmail inbox in 5 seconds flat.
📬 Local inbox and template previews for the email your Django project sends.
GitHub Action: send your real email template through your SMTP relay and fail the build when SPF, DKIM or DMARC breaks or the spam score drops
check_mail_loop.py is a Nagios/Icinga plugin that checks an end-to-end e-mail flow from sending an e-mail via SMTP to retrieving it from an IMAP server.
SignalLab is a lightweight Python toolkit for domain intelligence, disposable email testing, DNS and network diagnostics, synthetic identity generation, connectivity testing, and developer utilities. Built for Linux, Termux, and Windows with a simple CLI and local activity logging.
Official Python SDK for mail.td — temp mail API for developers
A lightweight SMTP server and web interface for development (Django, etc.) / 開発環境（Django等）向けの軽量SMTPサーバー兼Webインターフェースツール
本地优先的临时邮箱工作台：97 个来源适配器，统一 API、持续取件与邮件匹配，面向开发测试和自动化工作流。
Temp mail API examples: receive OTP codes and magic links in Python, Playwright, Cypress and Node tests (Free Domain Mail)
Free receive-only temporary email for developers and AI agents: REST/MCP inboxes, browser-use tools, tested email verification examples, and browser/Python clients.
Python SDK for email verification in CI pipelines — OTPs and magic links auto-extracted. No Docker, no regex, no signup.
Official MailFlat SDKs for Python, TypeScript/JavaScript and Java. Real email inboxes your agent or test suite can create from code and read one-time codes from.
mailsocket SDKs (Python, TypeScript) and MCP server: create an email inbox and wait for the OTP or magic link.
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