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Single IP Removal Process

First enter the suspected IP address to check the status in our DNSBL's.

If you are listed and do not yet have an account, create an account or if you already have an account login to make a removal request after you've stopped the spam source.

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1. Make sure you have Postfix installed on your server. You may also need to install postfix-pcre or postfix-pgsql packages if you haven't already, depending on your specific needs.
2. Open the Postfix main configuration file for editing. This file is usually located at /etc/postfix/main.cf:
   sudo nano /etc/postfix/main.cf
3. Add the following lines to your main.cf file to configure Postfix to use bl.0spam.org:
   smtpd_client_restrictions =
...
reject_rbl_client bl.0spam.org,
...
   You should place these lines within the smtpd_client_restrictions section of your main.cf file. Be sure to keep the other existing configuration options intact.
4. Save the changes and exit the text editor.
5. Reload the Postfix configuration to apply the changes:
   sudo postfix reload
6. Test your configuration to ensure that it's working as expected. You can use the postmap command to check if DNSBL lookups are working:
   postmap -q "some.example.ip.address.bl.0spam.org" /dev/null
   Replace "some.example.ip.address" with an IP address you want to test. If the DNSBL lookup is successful, you will receive a response such as "127.0.0.2" (indicating a blacklisted IP).
7. Monitor your mail logs to see if any incoming connections are rejected due to the DNSBL lookup. You can check the Postfix logs in /var/log/mail.log or a similar location, depending on your system configuration.

0spam is not responsible for errors in these instructions or mistakes. Always make backups prior to making any configuration changes to your server.

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