Unfortunately, there isn’t an end-all, be-all answer for that question. It varies depending on your email list and recipient preferences. To figure out what works best for your readers, try different days and times and analyze the results.

3 Quick And Easy Ways To Build A Profitable Opt-In List
You finally realize that you need a good opt-in list. After reading countless articles and sought expert advices and have read many success stories of people creating a small fortune with opt-in lists you finally decide to have one of your own.