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Category: Mail

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Building an Enterprise-Grade Mail Server: Full Architecture Overview

Posted on 2025-11-072025-11-07 by Rico

For many small to medium businesses and technical teams, the mail system is one of the most critical — yet often overlooked — internal services.Building your own secure, reliable, and maintainable mail infrastructure can greatly reduce long-term service costs while giving you full control over your organization’s data and privacy. In this article, I’ll introduce…

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自建企業級 Mail Server 架構總覽

Posted on 2025-11-072025-11-07 by Rico

在許多中小企業或技術團隊中,郵件系統往往是內部最重要、卻也最容易被忽略的一個服務。若能自行建置一套穩定、安全、可維護的郵件系統,不僅能降低長期外部服務的費用,更能完全掌握公司內部郵件的安全與隱私。 本文將介紹我目前正在使用的一套完整郵件系統架構,並簡單說明各元件的角色與實際應用情境。 🧩 系統整體架構 輔助系統: 🔧 各模組功能與角色 🏣 Postfix — 郵件核心 Postfix 是整個郵件系統的心臟,負責 SMTP 傳送與接收。它會依照 DNS 的 MX 記錄接收外部信件,並將信件投遞給內部的收信系統(Dovecot)。同時,它也負責寄信出去(relay 外部郵件)。 應用場景: 👩‍💻 PostfixAdmin — 使用者與網域管理 這是一個 PHP 網頁介面,讓管理者能輕鬆管理: 應用場景: 🗃️ MariaDB — 帳號與設定資料庫 MariaDB 負責儲存 Postfix、Dovecot 所需的帳號與設定資料,例如: 📬 Dovecot — 收信與使用者信箱管理 Dovecot 提供 IMAP/POP3 服務,讓使用者可以透過各種郵件軟體(Outlook、Apple Mail、手機)讀信。它同時支援: 應用場景: 🧱 Amavis — 郵件內容過濾中心 Amavis 是郵件防護的中樞,所有收進來的郵件都會被轉交給它處理。它會呼叫: 應用場景: 🦠…

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Recent Comments

  1. Building a Complete Enterprise-Grade Mail System (Overview) - Nuface Blog on High Availability Architecture, Failover, GeoDNS, Monitoring, and Email Abuse Automation (SOAR)
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