https://www.pistack.xyz/tags/sieve/ Recent content in Sieve on Pi Stack Hugo en-us Tue, 12 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-12-self-hosted-email-sieve-filtering-pigeonhole-rspamd-cyrus-guide/ Tue, 12 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-12-self-hosted-email-sieve-filtering-pigeonhole-rspamd-cyrus-guide/ <p>Email filtering is a critical component of any self-hosted mail infrastructure. While spam filters like Rspamd and SpamAssassin handle the initial wave of unwanted messages, the <a href="https://en.wikipedia.org/wiki/Sieve_(mail_filtering_language)">Sieve</a> filtering language provides a standardized, server-side mechanism for organizing, tagging, redirecting, and manipulating email after delivery. Sieve scripts run on the IMAP/LDA server, enabling users to create sophisticated rules for sorting newsletters into folders, auto-forwarding critical messages, rejecting specific senders, and much more — all without relying on client-side filtering.</p>