Tuesdays at 10 am, Thursdays at 8 pm, and Wednesdays at 2 pm are widely known to be the best slots for email delivery. Having said that, it depends on who you ask. Gurus in the space conflict on best days and times and that’s because it ultimately comes down to your specific audience. Start sending your email marketing newsletter at the previously stated days, but as your data grows, you’ll base delivery on when your emails get the most opens, when they tend to get the most clicks, and finally, when the most conversions are taking place.