E mail blacklist

An email blacklist, also known as a DNSBL (Domain Name System Blackhole List), is a list of IP addresses or domain names that have been identified as sending spam or other unwanted emails. Here are some common email blacklists:

  1. Spamhaus: One of the most well-known and widely used email blacklists, Spamhaus has a list of IP addresses and domain names that are known to send spam.
  2. Sender Score: A blacklist maintained by Return Path, Sender Score is used to rate the reputation of IP addresses and domain names based on their sending behavior.
  3. Commtouch: Commtouch's blacklist is used to identify IP addresses and domain names that are known to send spam and other types of unwanted emails.
  4. SURBL: SURBL (Spam and UCE Reporting Blocklist) is a blacklist that focuses on identifying IP addresses and domain names that are known to send spam and other types of unwanted emails.
  5. SORBS: SORBS (Spam and Open Relay Blocking System) is a blacklist that identifies IP addresses and domain names that are known to send spam and other types of unwanted emails.
  6. DNSWL: DNSWL (Domain Name System White List) is a blacklist that identifies IP addresses and domain names that are known to send legitimate emails.
  7. RBL: RBL (Real-time Blackhole List) is a blacklist that identifies IP addresses and domain names that are known to send spam and other types of unwanted emails.
  8. Mailspike: Mailspike's blacklist is used to identify IP addresses and domain names that are known to send spam and other types of unwanted emails.
  9. SpamRats: SpamRats is a blacklist that identifies IP addresses and domain names that are known to send spam and other types of unwanted emails.
  10. Abuseat: Abuseat is a blacklist that identifies IP addresses and domain names that are known to send spam and other types of unwanted emails.

To check if your IP address or domain name is listed on an email blacklist, you can use online tools such as:

  1. MX Toolbox: A free online tool that allows you to check your IP address or domain name against various email blacklists.
  2. Blacklist Check: A free online tool that allows you to check your IP address or domain name against various email blacklists.
  3. Sender Score: A free online tool that allows you to check your IP address or domain name against the Sender Score blacklist.

If your IP address or domain name is listed on an email blacklist, it may affect your email deliverability and cause your emails to be blocked or marked as spam. To resolve this issue, you may need to contact your email service provider or IT department to investigate and resolve the issue.