[ad_1]
Opinions expressed by Entrepreneur contributors are their very own.
Professionals have been arguing for many years over the age-old query of how usually to electronic mail a advertising and marketing listing. On one facet are those that consider contacting readers greater than as soon as a month is a no-no. On the opposite, we’ve those that suppose day by day emails are finest for maximizing earnings.
Who’s proper? Let’s discover out by taking a look at a number of elements.
[ad_2]
