Even if you’ve already got a long list of emails for clients and prospects, you should never stop adding to it. Especially since it’s not nearly as hard as it sounds. For example, make sure your list is always growing passively with a signup feature on your website. Subscription forms should be on your home page, blog page and everywhere else you can fit it without taking away from more important content.
But if people don’t believe those reasons, they don’t buy either. As long as you seem like a friend who’s trying to help them, people are likely to believe that you’re sincere and that buying from you is a good decision. That’s one of the main reasons email marketing can work so well; it’s relatively easy to come off as a friend. Especially the other two email marketing strategies are good for making people see your good intentions. That said, if your offers don’t make people think you’re genuinely trying to help them, something is wrong.
When you're using email as a marketing tool, you're working on a pretty personal basis. This isn't ‘drive-by' stuff -you're directly targeting customers from their inboxes. There's a huge amount of potential which comes with this kind of marketing... but you'll only reap that potential if you REALLY understand both the marketplace you're operating from, and the audience you're talking to.