Toxic Segments are people who inhabit the ‘dead space’ in your database. They’re not necessarily unmarketable – you have the right contact information and they haven’t unsubscribed – but they never open any of your marketing material.
Don’t understand the difference between Email Marketing and Marketing Automation? Not sure which one you need?
Have trouble explaining Email Marketing to others? Do you understand when Email Marketing becomes Spam? Do you understand what Spam is?