WordPress非推奨プラグイン一覧 https://helpcenter.gmocloud.com/virtualserver/s/article/ch-3656 2018

https://wordpress.org/support/topic/multisite-compatibility-116/wordpress 6.1.5 mailpoet 4.5.2 https://kb.mailpoet.com/article/129-newsletter-task-scheduler-cron(1) Newsletter task scheduler (cron) → Server side cron (Linux cron) メインサ…