How to find this setting:
Your Email Software > Trend Micro > Settings > Blocked Senders
Not all versions of Trend Micro security software include this feature.
Use the Blocked Senders list to stop receiving unwanted mail from specific email accounts. Remember to click OK after making any changes.
Click Add to put a single email address on the list.
Click Edit to change an email address that you have selected on the list.
Click Remove to delete an email address that you have selected from the list.
If you edit or remove a blocked email address, you may start to receive spam messages from that sender again. Think carefully before changing or removing any email address.