USPS EDDM/ECRWSS is one of the most persistent sources of fully unblockable spam in my life. No opt-out and nowhere to escalate it. Just a perpetual stream of t

USPS EDDM/ECRWSS is one of the most persistent sources of fully unblockable spam in my life. No opt-out and nowhere to escalate it. Just a perpetual stream of trash from the mail truck to my recycling bin.