Currently we still receive spam from time to time.
On your side, as a user you can improve by:
not signing in to random website with your email
if you do, use the
+sign like if your email is
firstname.lastname@example.org you want to sign to
whatever.com, then sign in with
email@example.com would help you filter out spam automatically afterward.
unsubscribe from unwanted emails (it is a requirement that people sending email should have an
[ ] Move “SPAM” header email to spam folder.
[ ] learning algorithm based on what people mark as spam to even further reduce spam