Guest comments are disabled. New comments require moderation. Moderation notifications are enabled, and mail is sent through the mail gateway and its SMTP2GO relay. The sysop confirmed that sending and receiving mail work.
Historical blog posts remain available. Clearly identified advertising and bot comments were backed up and removed.
A future extension may check new comments for advertising, spam and relevance. It is not installed or active.
Spam detection needs an appropriate classification task; general harmful-content categories are not a complete spam filter. Useful outcomes could be “no concerns”, “suspected spam” and “manual review”.