How to block emails containing Hyper Links in body.

Step 1. Log in to SonicWall Email Security and then go to Manage | Policy & Compliance | Filters | Inbound Add New Filter.

Step 2. Select following conditions in filter.

Enable This filter 

If "Any" of these conditions are met:

Select: RFC 822 Byte Scan.

Matching: Contains

Search value: a href=

Action : Store in Junk box.

Filter Name - Give any filter name but make sure its just alphanumeric

NOTE: Do not include any symbols in the filter name as it may lead to filter corruption , space can be added

Apply This Filter to : Everyone

Save this filter and now it should block any email containing hyperlink in body.

CAUTION: Enabling this filter will block all emails containing hyperlinks in the body irrespective of legitimate link or malicious link.

NOTE: If the navigation or the screenshot looks different from the one mentioned above , you may be in an older firmware version and would require a firmware upgrade. Please refer the link below to upgrade the firmware to latest version.

  https://www.sonicwall.com/en-us/support/knowledge-base/170504270079039