You set up a cold email campaign and everything seems to run smoothly until you have a look at the statistics and notice a very high bounce rate. This may be a sign that you got blacklisted. First of all – don’t panic. Provided you landed on a blacklist unintentionally, it’s not such a big deal to get yourself off it. What costs much more effort, though, is regaining good sending reputation afterward. But first let me explain to you how blacklists work, why you landed on one and what you can do to get your IP removed from it.