Inbox delivery rate is simply the percentage of total emails sent that went into any of the tabs in a subscriber’s email except the spam folders. If your inbox delivery rate is low, it means most of your emails are going into the spam folder. Rarely (very rarely) does someone check their spam box & any emails there are automatically deleted after 30 days. So basically, your email marketing isn’t working because no one is getting to read your emails. As people’s interaction with email changes and spammers uplevel their tactics, spam filters & ISPs also keep adapting. So there is never a guide to get 100% inbox delivery. It’s ever-evolving. And in fact, it’s compounding. If you continue to follow best practices, it will build up a strong positive signal of relevant, essential emails from your brand & hence your emails won’t be sent to die in the spam box. Thus, enabling you to achieve at least 95-99% inbox delivery rate. So what are these best practices? Let’s read on to find out.