Unable to receive email from other mail servers domains

[Raphael]

Spamhaus has gone mad

I haven’t got to the bottom of this yet, but thought I’d post about it in case anyone else is affected. A client running Hestia was complaining about not receiving mail. When I replied asking for more information, my own mail was rejected from his server saying my IP was banned at zen.spamhaus.org. However when I went to check at https://check.spamhaus.org/ its not listed. IP and all associated domain names are clear. I can’t figure out what’s going on. In the meantime, I’ve edited /etc/exim/dn…