Thanks for visiting! Remember that nowadays, (most) blocklists don't usually govern deliverability and inbox placement on their own. Want to learn more about email marketing best practices, email technology, and deliverability troubleshooting? Then you'll want to check out my other site, Spam Resource.

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  1. What is a DNSBL?

    A DNSBL is a DNS (domain name service)-based spam blocking list. Some people call them blacklists, while others call them blocklists. They...

  2. How to confirm the current status of SPEWS

    I figured it would be helpful if people were able to check my work. If you’d like to confirm for yourself whether or not SPEWS has been upda...

  3. SPEWS Current Status: DEAD

    Please note: I have no involvement in SPEWS. I publish this information simply to be helpful to people I see trying to figure out what to do...

  4. What to do if you're listed on SPEWS

    The newsgroup news.admin.net-abuse.blocklisting (NANAB) regularly plays host to blocklist removal requests. Most of those requests seem to ...