For fresh installs of Plesk Obsidian, the upcoming features are already turned on: Apache's graceful restart feature is now reliable enough to be enabled by default to reduce downtime for websites. SPF, DKIM, and DMARC for incoming and outgoing emails. Version 0.10 of Fail2Ban and ModSecurity come pre-activated. New websites come pre-configured with the SEO-friendly HTTP > HTTPS redirect enabled.