self explanatory, I am quite surprised to not find this setting anywhere.
How else is there to stop fake sign ups to your site / forum, there needs to be a validation process so that the email used for registration is confirmed via a confirmation link being emailed out as a final step to validate the sign on process.
You are so right, @Scherobi. A bit weird that they don't have it.
thanks Robin, I do believe there are a number of small enhancements that could really improve the experience for both the website owner and visitors that in my opinion are quick wins / smaller efforts rather than major redesigns