E-mail Essentials (On Marketing by Jim Karrh) by Jim Karrh, Ph.D Posted 3/23/2009 12:00 am Updated 5 years ago E-mail can be an effective marketing tool, but the goal should be quality not quantity. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 15 days. Purchase Now Already have archive access? Login to view this article.