ochStopDMR stops spamming registration on Hikashop

Hello,
after searching some solution to stop some bots trying to register on our website using Hikashop 4.5.1 i found this one :
onlinecommunityhub.nl/joomla-extensions/ochstopdmr
And as it works very well, i share with you the tip.
I don't have any relationship with the owner of the plugin but found it's a very good solution who immediately stopped some bad registration on our site so why not sharing with Hikashop's community.
Hope it will help some owner's shop here.
I requested some new features like :
Having only one suggestion : having the possibility to add a blacklist ourselves where we can :

• Add a single email address
[liAdd a single domain][/li]