There is speculation that direct email marketing solutions will not continue to be as worthwhile as they were 4 or 5 years ago. The economics of email marketing for customer retention and acquisition will likely be different in the future. However, one thing will continue to be the de facto standard in email marketing – permission. For positive email campaigns however, more will be required. As one email marketing solutions founder said, "permission has become so mainstream now that while in the past there was a real difference between acquisition email lists harvested from newsgroups and permission-based lists, being permission-based is no longer the differentiator it used to be for either the marketer or the user."

In the present online marketing field, only permission-based email campaigns that have a high ‘inbox visibility’ degree provide worthwhile and positive Return on Investment to marketers both on the acquisition and the retention fronts. Today’s email marketing solutions are aimed at improving inbox visibility through implementation of practices that are related to crafting email subject lines and strategies of the sort. However to attain sustained inbox visibility, email marketing solutions strategies will need to go deeper. Implementing strategies that insulate one from the shifting market dynamics in email marketing will give any company the real competitive advantage.

What email marketing solutions strategies will prove successful? Directly anticipated email communications. By and large, directly anticipated emails will prove immune to growing inbox invisibility since their arrival is anticipated by the recipients. These campaigns can be run through email newsletter campaigns. Other strategies include gathering emails of individuals interested in particular products and delivering such information immediately to the individuals. It is becoming increasingly difficult to overcome the problem of inbox invisibility but email newsletters seem to have a better chance of overcoming this problem as well as other email marketing solutions that move away from direct email strategies.

Make your subject line brief, detailed, and powerful.
Try keeping it to four or five words. Anything less might not completely deliver the message while anything more than that could lessen the impact of your emails subject line. Subject lines can take various forms. You may turn it as a teaser that’s meant to intrigue your readers, an announcement that’s meant to make your readers sit up and take notice, a question to make them ponder, or simply a greeting that’s just meant to make them open your email with a smile.

Don’t be afraid to insert first and second person pronouns.
Pronouns like I, you, we, our, and us makes your email more personalized and less like a plain marketing copy. It also establishes a relationship between you and your readers, and puts them in a more receptive mood with regard to your message.

Use headers.
Use headers to make it easier for readers to get the gist of your email and convince them at the same time that your email is worth reading from start to finish. As for creating headers, just use the same tips and guidelines provided for creating your subject line.

Keep paragraphs short.
As mentioned earlier, email newsletters are generally skimmed so you should keep your paragraphs short and focusing on one topic at a time. If the article you’re basing your email on contains long paragraphs, don’t be afraid to break them down into several short ones.

Have your email proofread and checked for plagiarism.
You and another person, preferably someone qualified, should proofread your email newsletter before sending it to your readers. Double-check spelling and grammar. Be sure you’ve got all your facts straight and the flow of thought is orderly and cohesive. A professional editor or proofreader will also let you know if there are unnecessary paragraphs to be cut out.

Lastly, use plagiarism-checking software to ensure that there are little, if any, similarities between your work and the article you’re basing your email newsletter on, never mind that you’re discussing the same topic. If your work passes then congratulations for a job well done!