I use routing rules, pick random characters and action = delete / quarantine

this is some of mine

プ

至

限

送

ま

no idea what they mean but appeared the most. I do this with non English words too and really cuts out a lot of spam

 

Thanks - that inspired me to take 3 different emails and save them as 3 different files that I then uploaded to Claude and asked it to compare them and only give back the characters common to all 3 files. I then made a content filter to route any messages containing any of those characters in the body to Junk Mail.  Here's what it found:

So far I only used the Hiragana and Kanji characters. I'll report back how well this works in a while.

Thanks again!