Here’s a link to great infographic by Pure360 on the best times to send email blasts.
http://emailmarketing.typepad.com/.a/6a00d83452a5d869e2015434cf6844970c-pi
Note the best time for B2B offers is 5-7pm when folks are working late. We’ll be testing this theory over the next few months and will post results here on this blog.
