This article is relevant for both internal campaigns and external roll-outs to clients and partners.
When you're planning to send out a Zelo to a large group of people it feels safer to do an incremental send-out. This is how you can do just that.
For the main send-out, you might want to start with a smaller portion of your audience. Let's say you are going to send the Zelo to 1000 recipients; it can be smart to begin with 150 recipients to see how they receive it. Of course, this is not always possible if the information needs to reach everybody at the same time.
After the main send-out, use the "Add more recipients" page to send the Zelo to newly added recipients. You can do this via three different modes:
Use the "Reminder" function to do so. Select one or many recipients and resend the Zelo so it gets on top of the inbox.