There’s a good reason why webmail and internet service providers (ISPs) require email senders to follow various rules and protocols if they want to reach the inbox. They want to ensure their customers have a great experience, free of spam. But the complexity of the inbox universe can be challenging if you’re new to email. You’re not alone if you’ve wished for something like a babel fish to make sense of the idiosyncrasies of the email industry. In The Hitchhiker’s Guide to the Inbox Universe, you’ll receive:

• A map of the biggest mailbox providers
• The path email takes to the inbox
• Postmaster resources and tools
• Secrets of successful senders

Don’t panic! Even though mailbox providers keep some proprietary details close to their vest, email sending best practices aren’t as mysterious as they might first appear. Download this guide today to learn the basics any intrepid email explorer needs to navigate the galaxy of mailbox providers.