https://blog.kalfaoglu.net/tags/maintenance/Recent content in Maintenance on kalfaoglu.netHugoenMon, 05 Oct 2026 00:00:00 +0000https://blog.kalfaoglu.net/posts/2026-10-05-rspamd-421-security-and-filtering-en/Mon, 05 Oct 2026 00:00:00 +0000https://blog.kalfaoglu.net/posts/2026-10-05-rspamd-421-security-and-filtering-en/<p>An email filter should spend its time judging messages, not falling over while reading them. Rspamd&rsquo;s latest patch is a reminder that the machinery around spam scoring deserves attention too.</p> <p><a href="https://docs.rspamd.com/changelog/">The official release index</a> dates Rspamd 4.2.1 to October 1, 2026. That makes it fresh news for this week&rsquo;s maintenance list. Our earlier article covered 4.1.0; this update has a different practical angle: check the filter&rsquo;s health and configuration, rather than reaching immediately for more permissive spam thresholds.</p>