Email marketing, like most all things, can do some amazing good... or irreparable damage. Email marketing lets you build relationships with leads and current customers. Customers have even said that they like email marketing more than a regular email. Not only are they a customer favorite, but they also are more effective.
The emails sent by email marketing are usually beautiful. They're gorgeous to look at, so you'd think they'd be more likely to be read. Well, yes and no.
Email marketing is good, but only to a certain extent..
So, how much email marketing is too much, and how can your business avoid getting on customers' black lists?