Hi Neil, yes email database is good for affiliate marketing only if that is your subscriber list that you collect by yourself through the opt-in page. The case will be different if you buy the email database from someone and blast them with your promotional email, you will get an issue. Most of them will mark your email as spam and unsubscribe directly since you don't have their consent, the worst email service provider will suspend your account due to high spam rate. So, you need to collect the email database using your own opt-in page and nurturing them before monetize it.
I need FB account & email database, pls ping me @ walker.sonia1 if you have any
I can arrange database for you
