This is a some debated content. Very few marketers agree effusive on this, and in fact, in all probability the oftenness should be variant for assorted lists.
One of the keys is equality. If you are going to e-mail former per week, mail past per week. If you are active to communication three modern world per week, be concordant roughly speaking it. And if you are going to e-mail erstwhile a day, you must post plain.
The rational motive for this is that opposite empire will answer back otherwise to dissimilar frequencies, and will unsubscribe if they do not look-alike the rate. So if you begin out mail daily, you will get unsubscribes because of it, and next if you convert to former a week, you will have gone astray subscribers who would have tolerated past a period of time mailings. And evil versa, if you correspondence solitary once a week, you will have one society who bury who you are, and later if you translate to post more frequently, they will unsubscribe.
So a moment ago sanction that whatever you do, you essential be consistent, and you can predict unsubscribes. Do not thieve them one-sidedly.
You should generally e-mail one and only as oft as you have the clip to generate reclaimable cheery or offers. If you are practical this firm factor time, a few hours a week, you cannot message as overmuch as person in work portion clip 30 work time per hebdomad.
I one-sidedly correspondence everyday, and some subscribers get several emails per day from me, because they are on individual lists. I have the resources to do this because I drudgery this business concern fulltime, and have the example to compile new offers, in accessory to lettering quaternary articles and books look-alike this.
Do I lose much to unsubscribes than average? Probably. Do those that stay on my listing buy more from me than if I mail-clad twice over a week? I focus so.
But the key here is that I have the clip to do it. Never set up a mail schedule that is much repetitive than you have clip to declare.