Acxiom Digital and Harris Interactive have announced the results of a study that found three in four online adults view email communications from a company they frequently patronize to be valuable or very valuable.

The survey found that 30 percent of online adults have purchased a particular good or service as a result of receiving such emails, and of these, 85 percent have done so within the past year.

"Savvy consumers have come to rely on email marketing communications as a resource to help them get the best deals possible," says Kevin Johnson, president of Acxiom Digital. "Likewise, retailers have established email marketing as an efficient and productive way to build and retain a loyal customer base and increase revenue by communicating with consumers in a meaningful way."

For more email marketing insights, read "Holiday Email Worst Practices."