자체 라우팅 가능한 IPv4 블록부터 시작하는 어려운 방식의 이메일 자체 호스팅

Self-hosting email with a dedicated IPv4 block highlights a critical pushback against the centralization of communication by tech giants, offering a path to true data sovereignty. It demonstrates that while the technical barriers regarding IP reputation and spam defense are high, maintaining independent infrastructure is vital for preserving the open nature of the internet. This approach serves as both a high-level technical blueprint and a strategic effort to regain decentralized digital ownership.