I was wrong, it is not fixed, it is happening again, the cbl.abuseat.orgthing again. We cannot receive mail, external senders keep getting messages this one:
Error: Delivery status notification: failed – Hi!
This is the MAILER-DAEMON, please DO NOT REPLY to this email.
An error has occurred while attempting to deliver a message for
the following list of recipients:
peer@peerdomain.tld: 554 5.7.1 Service unavailable; Client host [193.34.69.156] blocked using cbl.abuseat.org; Error: open resolver; https://check.spamhaus.org/returnc/pub/2001...