Email address spam checker

Here are some popular email address spam checkers:

  1. SpamAssassin: An open-source spam filtering system that uses a variety of techniques to identify spam emails.
  2. Spamhaus: A well-known spam filtering service that provides real-time blacklists (RBLs) and other tools to help block spam emails.
  3. Sender Policy Framework (SPF): A protocol that helps prevent spam by verifying the authenticity of email senders.
  4. DomainKeys Identified Mail (DKIM): A protocol that helps prevent spam by verifying the authenticity of email senders using digital signatures.
  5. Bayes Spam Filtering: A statistical approach to spam filtering that uses machine learning algorithms to analyze email content and identify spam.
  6. Razor: A spam filtering service that uses a combination of algorithms and human review to identify spam emails.
  7. Cloudmark: A spam filtering service that uses a combination of algorithms and human review to identify spam emails.
  8. SpamFilter: A spam filtering service that uses a combination of algorithms and human review to identify spam emails.
  9. Mailwasher: A spam filtering service that uses a combination of algorithms and human review to identify spam emails.
  10. Gmail's built-in spam filter: Gmail's built-in spam filter uses a combination of algorithms and human review to identify spam emails.

You can use these services to check if an email address is likely to be spam or not. Here are some ways to use them:

  1. SpamAssassin: You can use SpamAssassin's online tool to check if an email address is likely to be spam.
  2. Spamhaus: You can use Spamhaus's online tool to check if an email address is listed on their RBLs.
  3. Sender Policy Framework (SPF): You can use SPF's online tool to check if an email sender's IP address is authorized to send emails on behalf of a domain.
  4. DomainKeys Identified Mail (DKIM): You can use DKIM's online tool to check if an email sender's digital signature is valid.
  5. Bayes Spam Filtering: You can use Bayes Spam Filtering's online tool to check if an email is likely to be spam based on its content.
  6. Razor: You can use Razor's online tool to check if an email is likely to be spam based on its content.
  7. Cloudmark: You can use Cloudmark's online tool to check if an email is likely to be spam based on its content.
  8. SpamFilter: You can use SpamFilter's online tool to check if an email is likely to be spam based on its content.
  9. Mailwasher: You can use Mailwasher's online tool to check if an email is likely to be spam based on its content.
  10. Gmail's built-in spam filter: You can use Gmail's built-in spam filter to check if an email is likely to be spam.

Keep in mind that these services are not foolproof and may not always accurately identify spam emails. It's always a good idea to use multiple methods to verify the authenticity of an email address.