For those who use gmail (I use it for several reasons, even to send from other addresses like my @CustomLifeInsurance.com addresses), a new add-on (at least to me) may be of help.
It is still in beta, but boomerang for Gmail allows you to send later, aka "Delayed Delivery." You can get the invite to use the beta here.
It is still in beta, but boomerang for Gmail allows you to send later, aka "Delayed Delivery." You can get the invite to use the beta here.