In a recent article on ClickZ, Jeanny Mullen shared these 7 email marketing statistics:

• Every year an average of 30 percent of the people who signed up for your e-mail marketing list will not get your e-mails because their ISP will incorrectly block them.
• 85 percent of the people on your e-mail list will stop reading your e-mails (without unsubscribing) after the third message your company sends to them (yes, company, not just your group inside the company).
• 25 percent of the people on your list who receive your e-mails and never open them will be among the top 10 percent of your best customers.
• An average of 39 percent of your current year subscribers will either unsubscribe, or stop reading/engaging with your e-mails by the end of the year.
• Over 10 percent of people who initially read your e-mail on their handheld device will file it away, intending to take action, but never doing so.
• About 15 percent of your list will read your e-mails and look to a social network like Facebook or Twitter to see if others are buzzing about the message or offer before taking action.
• Over 49 percent of people who are happy with their recent purchase from your company will open future e-mails seven times faster than those who have not made a purchase in over three months.

These seven statistics from the Email Experience Council are pretty powerful by themselves but together paint a very clear picture of why you need to absolutely stay on top of your messaging strategy to your consumers.

Read the full article here.