인터넷 메일을 어떻게 선별·필터링·관리하나요?

This discussion reveals growing tension between proprietary email services and open standards in professional email management. As major providers restrict access to standard protocols like IMAP in favor of proprietary webmail, developers and advanced users are reasserting the value of open-source filtering tools (Sieve, Maildir) that provide automation and data portability. For users managing high-volume mailing lists and patch reviews, robust filtering automation and local backup capabilities are essential infrastructure, not optional features.