IP Blacklisted
I checked my IP at mxtoolbox (dot) com due to not receiving authorization codes for other services. Mxtoolbox says my IPv4 address is blacklisted by Spamhaus Zen (IPv6 is not blacklisted). The reason...
Forum Discussion
The blacklist you’re referring to has no impact on your ability to receive email. The impact of that black list is being unable to host your own email server at home to send mail from it. This was done decades ago to combat spammers during the early internet.
