I agree so far, but: >But was is happening in your inbox, really? >Most spam is not "black hat spam". It is what I call "white-collar spam": perfectly legitima

I agree so far, but: >But was is happening in your inbox, really? >Most spam is not "black hat spam". It is what I call "white-collar spam": perfectly legitimate company, sending you emails from legitimate address. You slept in a hotel during a business trip? This is pure survivor paradox. This is true for your Gmail account, because all "black hat spam" was already filtered! I own two unfiltered email accounts that were sadly scraped from the internet, and the spam is - by far - almost completely malspam, romance scam, cryptocurrency spam, scam attempts, spoofs, phishings.