How to Email Address Whitelist or Blacklist in Plesk Obsidian
Step 01: Go to the Mail tab on the left panel and click on the email address.
Step 02: Click on the Spam Filter tab.
Step 03: Enable "Switch on spam filtering for this email address" and expand the "Show Advance Settings".
Step 04: Type the email address or domain name (followed by the * mark; e,g,. *@example.com) in whitelist box or blacklist box.
Step 05: Click on Apply to confirm the update.
Article ID: 1284
Last updated: 15 Feb, 2020