+1
Schedule Future Post
Ability to have posts in Draft form or future schedule so that post can be created, and posted at a specified time/date. This keeps a post from getting "buried" in the stream at the time when it would be most relevant.
As a workaround - we create a post and toggle archive it, and when we want it to display, we un-toggle and sticky it to the top of the post feed.
Customer support service by UserEcho
Yes, I did this with gmelius.com from gmail.
I use the send letter and recurring.