November 2017 to February 2018 in Spamtraps: ESPs
Nuff said. All the data is there and questions are welcome, either in comments to this article or in other avenues. Just haven’t gotten around to writing it up.
Clickback MAIL has been hitting spam trap with email addresses which have been dead for a very long time (i.e. years) or never valid in any decade. Probably because Clickback doesn’t require pesky things like “Opt-In” or “Confirmed” subscribers but do allow purchased lists and “cold” contacts to be mailed. Seriously this is bad behavior, I wonder why no one has just blacklisted all of Clickback IPs/domains yet?
