Check email address blacklist

There are several email address blacklists that you can check to see if an email address is listed. Here are a few popular ones:

  1. Spamhaus: Spamhaus is one of the most well-known and widely used email blacklists. You can check if an email address is listed on their website by using their "Blocklist Lookup" tool.
  2. Sender Score: Sender Score is a blacklist maintained by Return Path, a company that specializes in email deliverability. You can check an email address's Sender Score on their website.
  3. Complaint Feedback Loop (CFB): CFB is a blacklist maintained by the Internet Society (ISOC). You can check if an email address is listed on their website by using their "Complaint Feedback Loop" tool.
  4. SpamRass: SpamRass is a blacklist maintained by SpamRass, a company that specializes in email filtering. You can check if an email address is listed on their website by using their "Blacklist Lookup" tool.
  5. DNSBL: DNSBL (Domain Name System Blacklist) is a blacklist maintained by various organizations. You can check if an email address is listed on their website by using their "DNSBL Lookup" tool.

To check an email address on these blacklists, you can follow these steps:

  1. Go to the website of the blacklist you want to check (e.g. Spamhaus, Sender Score, etc.).
  2. Click on the "Lookup" or "Check" button.
  3. Enter the email address you want to check in the required field.
  4. Click on the "Search" or "Lookup" button.
  5. If the email address is listed on the blacklist, you will see a message indicating that it is listed.

Please note that being listed on a blacklist does not necessarily mean that the email address is spamming or sending unsolicited emails. It's possible that the email address was listed in error or that the sender's email server is not properly configured.