This is maybe the most asked and most poorly answered question in our business.
A couple of years ago the question was coming from anxious communications directors worried that more then one or two emails each month would annoy list members.
Today, the anxiety is coming from the other end of the spectrum, as aggressive direct marketers have started to discover that is is actually possible to break a list.
Check out this practical overview and how-to from Email Labs. Hint. it’s not about you…