Article: 8 Effective Email Marketing Strategies Backed by Research
Here is an article from the blog at Buffer on email marketing strategies. Some of the conclusions were surprising to me:
Between 8:00 pm and midnight is the best time to send a marketing email
Mobile accounts for almost 50% of all email opens
Sending email campaigns on weekends is a good idea
Email marketing, yes, good old-fashioned email, is still a vital tool in engaging customers and in converting sales. There is lots of data to back this up. This article lays out a lot of the strategies you should be employing.