The view from a blacklist operator

Steve Atkins from Word to the Wise explains why it's so important to make sure you're querying a blacklist correctly. Get it wrong, you end up blocking no spam at all, or worse, you end up blocking all of your inbound mail accidentally.

Spam filter authors -- it's time for your software to start rejecting DNSBLs that don't have a properly formatted test record, confirming that they're alive and that the filter in question is properly configured.

No comments:

Post a Comment

Comments policy: Al is always right. Kidding, mostly. Be polite, and you're welcome to join in, even if it's a differing viewpoint.