For some time the SpamHaus blacklisted our IP.
Looks like the SpamHaus quality becomes really poore.
Our example is that they blaclisted whole block 188.8.131.52/24.
Our IP is 184.108.40.206 but the SPAM-er was at 220.127.116.11.
We will remove their service from our panel because theirs reliability is a joke.