Blacklists

The Blacklists category page of the Administration Tool includes blacklist test pages. These tests aim to detect spam emails.

This category page includes the following sub-pages:

• Attachment Filtering
  Delete unwanted attachments or drop emails carrying them. See the Attachment Filtering section for more information.
• Charset Blacklist
  Stop emails written in certain languages. See the Charset Blacklist section for more information.
• DHA Protection Test
  Equip your system with protection against Directory Harvest Attacks. See the DHA Protection Test section for more information.
• DNS Blacklists
  Check email sources in online "bad IP" databases. See the DNS Blacklists section for more information.
• External Agents
  Integrate other software (such as anti-viruses) with ORF. See the External Agents section for more information.
• Greylisting
  Reject emails temporarily from unknown senders - spammers rarely retry. See the Greylisting section for more information.
• HELO Blacklist
  Enforce standards compliance on the HELO/EHLO SMTP command. See the HELO Blacklist section for more information.
• Honeypot Test
  Catch spammers that send to your spam traps. See the Honeypot Test section for more information.
• IP Blacklist
  Blacklist specific source IP addresses and networks. See the IP Blacklist section for more information.
• Keyword Blacklist
  Stop emails that contain specific words. See the Keyword Blacklist section for more information.
• Recipient Blacklist
  Disable local mailboxes. See the Recipient Blacklist section for more information.
• Recipient Validation
  Validate the local recipient during protocol transmission. See the Recipient Validation section for more information.
• Reverse DNS Test
  Check if sender has proper DNS setup. See the Reverse DNS Test section for more information.
• Sender Blacklist
  Blacklist emails from specific senders and sender domains. See the Sender Blacklist section for more information.
• SPF Test
  Validate the authenticity of the email. See the SPF Test section for more information.
• SURBL Test
  Catch spam based on the payload links. See the SURBL Test section for more information.

Click either of the above on the group page to jump directly to the related sub-page.