Add an Incoming Block list Filtering Rule

You can add rules that apply to a specific domain in the Domain Rules tab or, if accessing from the Admin Level, to all domains linked to the logged in Admin in the Admin Rules tab.

  1. In the Admin Level or Domain Level Control Panel, select Incoming - Protection Settings > Block list filtering rules
  2. Navigate to the appropriate tab: Domain Rules or Admin Rules
  3. Click on + Add rule
  4. The dialog that is displayed here depends on whether you have enabled or disabled the Use advanced custom filtering rules option in the User profile page. For more information, see Manage Your Admin User Profile or Manage Your Domain User Profile.

  5. Configure the Block list rule as per the filter rule type:
  6. Click Save

The new rule will appear in the list shortly after saving.

Attachment Hash Rule Specifics

The Hashing Algorithm field that is displayed once Attachment Hash is selected in the Match field is compulsory. Fill this with the algorithm type used to generate the hash for the file to be matched. E.g.:

  • MD5
  • SHA-224
  • SHA-256
  • SHA-384
  • SHA-512