Clearing All Safelists and Blocklists
If you need to delete all safelist and blocklist entries, including all senders and all recipients, import a file with no entries using the procedure in Backing Up and Restoring the Safelist/Blocklist.
If you need to delete all safelist and blocklist entries, including all senders and all recipients, import a file with no entries using the procedure in Backing Up and Restoring the Safelist/Blocklist.