I've read that short emails get better response than long ones, and that's also been my experience. When emailing new users, keep it short. For example: ---

I've read that short emails get better response than long ones, and that's also been my experience. When emailing new users, keep it short. For example: --- Hey, this is Kyle from Shropshire. I just wanted to find out how your demo is going, and if you have any issues? (end of email)