Tools to Grow Permission-based E-mail Lists

4. Optimize your site for search engine placement. Here, the report suggested that marketers optimize current and archived newsletters for search engines to increase traffic and subscriptions.

5. Distribute press releases based on newsletter articles. Perhaps most effective for B-to-B marketers, company newsletters with topical articles may warrant a press release, the report said. Include links and information on how to subscribe within the press release.