How to get falsely blacklisted for running an open spam relay
It's easy. Just sign up with an ISP that issues dynamic IP addresses. That's how I got on several email "black hole" lists meant to stop spam, even though I don't spam and my system has never operated as an open relay. If you use an ISP that doesn't give you a stable IP address, you may be on one or more spam blacklists, too -- and you may not necessarily know it. Then comes the fun part: Getting off those lists can be a lot harder than getting on them.
By Robin 'Roblimo' Miller at NewsForge.
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