AiProtection emails / Logs

Good morning all,

I know AiProtection etc is all closed source, but in my syslog this morning I found this...
Dec 31 08:41:21 alert mail: AiProtection send mail

However, there is nothing above it in the log to corroborate this, and I cant seem to see any log to back this up. I've never set up an email address for the aiProtection emails, as I don't know why it needs my email password...