Hive.co's email spam score helps you send better emails that will reach your customers' inboxes. It ranks your email's deliverability out of 10 (0 being the best) and gives you tips on how to improve it.
Here's an example of a message you might see:
The lower the score, the better. Follow the tips under Deliverability Issues to lower your score. A score of 0 means your email will almost always get to a recipient's inbox, avoiding the spam folder and promotions tab!