When many people think of "email marketing," they think of opt-in email promotions. That is, where you buy a product online and click on the check box for "send me periodic mailings with news of related products and services from XYZ, Inc." Then, once a month, you get a short promotional email.

This is a very common model of email marketing, and it has proven itself to be one of the most effective digital marketing techniques. The problem arises when you take this model of email marketing and apply it to email newsletters.

There are many variables that affect email deliverability, but one that’s often overlooked is the email’s HTML code. Seemingly innocuous things can severely impact whether your email will get to the inbox or be seen as spam. In this light, we’ve assembled simple tips you can use to improve your email templates and increase deliverability.

We’ve assembled 10 best practices every email marketer should follow to get the most out of there email marketing initiatives. Tested with thousands of clients, these guidelines have proven effective at maximizing email’s value to drive new business and help create profitable customer relationships.

E-newsletters are a great and inexpensive tool for communicating with many different audiences, which makes them popular for communicating with current and prospective customers. E-newsletters and promotional emails alone make up about 62 percent of all emails sent, and e-newsletters specifically are projected to grow another 58 percent by 2013.* Amidst growing e-newsletter competition, you want to make sure to create and maintain a solid newsletter strategy to achieve long-term results.

Nothing strikes fear in the heart of an email marketer like the thought of a recipient hitting the spam button. All that time spent on creating content, sending and reviewing test messages, only to have someone completely reject the message as “Junk.” It truly is a cold, hard world.

In a tough economy, email marketing is a cost-effective way to reach prospects and customers. Read on for some important guidelines to follow for a smart email marketing campaign.

Are you managing email promotional campaigns without an SPF (Sender Policy Framework) record in place? If so, you could be losing thousands of emails to spam and bulk mail filters, diminishing your results and hurting your bottom line. But SPF is an easy, one-time fix that can give your message a potential VIP pass into your customers' inbox.