What it does

When mail starts landing in spam, a blacklist is one of the first things to rule out. Generic checkers query dozens of lists nobody reads and report "clean" when a list simply did not answer.

Blacklist watch checks the lists inbox providers and spam filters consult before they decide where your mail lands, and tells you plainly when a list could not be checked.

How it works

  1. Enter the domain you send from, and the IPs your mail leaves from if you know them.
  2. We look them up on Spamhaus (DBL and ZEN), SURBL and Barracuda. Each list is tested first, so a list that would not answer us is shown as unknown, never as clean.
  3. You also see your DMARC policy.
  4. For every listing you get what it means and where to request removal.

Getting the most from it

  • Fix the cause before you request removal. A list that delists you while the problem is still there will list you again.
  • Run Email domain health alongside it: missing SPF, DKIM or DMARC records cause more spam-folder problems than blacklists do.