Disable Greylisting For A single Hosting account
Sometimes greylisting is not desirable for a customer and they want all of their emails delivered and not filtered.
We can disable greylisting on an account-by-account basis.
Information Needed To Complete Task
Step 1 - Login to their cpanel account
Go to WHMCS, search for the hosting account and click on Login to cPanel.

Step 2 - Click On Greylisting
Locate and click on the Configure Greylisting.

Step 3 - Disable greylisting
Turn the switch to the off position.
