Spam coming in with SPF

All these mails have a valid SPF record, so they got a -10 score for SPF_PASS. I have disabled it now on your unit

Spammers get smarter and smarter. However there is a warning about this in the protector. If you turn it on, it warns you about possible spam not being filtered.

It's disabled by default. This is the best choice, because it uses the default SA value that is 0