Block listing IP addresses is available for Super-Admin users for Outgoing mail and this option can be found in Outgoing - Protection Settings > IP Block list.
Doing this will mean that all mail sent from such IP addresses will be rejected.
- Click Add IP just below the page description
- Fill in the following criteria to add the IP:
- IP Address
You may also block subnets by entering these in the following format:
- Click Save
You may also add multiple IP addresses at once by using the Import IPs from CSV function
Edit and Remove IPs
- Click the arrow to the left of the IP addresses, or tick the boxes for multiple IP addresses
- You will have three options:
- Export as .CSV