"- The number of total votes by email may not be greater than the margin anyway" You're thinking about the presidential race, which, for NJ, should be decisive

"- The number of total votes by email may not be greater than the margin anyway" You're thinking about the presidential race, which, for NJ, should be decisive. What you're forgetting about are city and state wide campaigns which could be decided by a few hundred or even a few dozen votes.