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MajorLinux 662741e7ad troubleshooting: Postfix header_checks can't act on milter-added headers 
Document the majormail spam-routing failure (2026-06-06): a cleanup
header_checks REDIRECT keyed on the milter-added X-Spam-Flag never fired for
real inbound mail (only locally-injected), so spam kept reaching the inbox.
Fix is to route in Sieve at delivery (after the milter), with a redirect +
loop guard. Includes the 'local-injection tests lie' warning.
2026-06-06 10:38:04 -04:00
..
dovecot-imap-oom-vsz-limit-bloated-index.md troubleshooting: document majormail client-connectivity incident (2026-06-05) 2026-06-05 14:04:22 -04:00
fail2ban-imap-self-ban-mail-client.md troubleshooting: document majormail client-connectivity incident (2026-06-05) 2026-06-05 14:04:22 -04:00
fail2ban-self-ban-apache-outage.md wiki: audit fixes — broken links, wikilinks, frontmatter, stale content (66 files) 2026-04-02 11:16:29 -04:00
fail2ban-ufw-rule-bloat-cleanup.md wiki: audit fixes — broken links, wikilinks, frontmatter, stale content (66 files) 2026-04-02 11:16:29 -04:00
firewalld-mail-ports-reset.md troubleshooting: document majormail client-connectivity incident (2026-06-05) 2026-06-05 14:04:22 -04:00
pihole-blocks-claude-desktop.md docs: add Pi-hole AI blocklist / claude.ai ERR_CONNECTION_REFUSED article 2026-04-22 18:12:08 -04:00
postfix-header-checks-vs-milter-headers.md troubleshooting: Postfix header_checks can't act on milter-added headers 2026-06-06 10:38:04 -04:00
postfix-sendgrid-tls-handshake-failure.md wiki: batch update — 4 new articles + 4 updates 2026-05-25 13:55:10 -04:00
rsync-tailscale-teardown-stall.md wiki: add troubleshooting articles from MajorTwin v8 cycle 2026-04-25 12:57:39 -04:00
ssh-socket-tailscale-race-condition.md wiki: ssh.socket wait-ready gate + mastodon post-install hardening 2026-05-31 11:08:24 -04:00
tailscale-ssh-reauth-prompt.md wiki: audit fixes — broken links, wikilinks, frontmatter, stale content (66 files) 2026-04-02 11:16:29 -04:00
tailscale-status-json-hostname-localhost-ios.md wiki: update fail2ban digest + netdata docker health + 3 new articles 2026-05-02 14:58:07 -04:00
windows-openssh-wsl-default-shell-breaks-remote-commands.md wiki: update fail2ban digest + netdata docker health + 3 new articles 2026-05-02 14:58:07 -04:00
windows-sshd-stops-after-reboot.md wiki: update fail2ban digest + netdata docker health + 3 new articles 2026-05-02 14:58:07 -04:00