Increase max emails per hour for a single domain in cPanel
By default cPanel will take the maximum email per hour limit from the WHM tweak settings, sometimes we need to add extra privilege for a domain, to override the WHM setting follow below steps.
Before editing the configuration files make a copy of the same.
Go to the following file and add the domain name.
Eg: l3admins.com = 1000
Just add an entry like “l3admins.com = 1000 . Now 1000 will be the maximum email per hour limit for domain.
But please make sure that you have executed the following script after updating the file /var/cpanel/maxemails.
Above script will update the email setting in the cPanel database.