Adding more posts in one newsletter ?

How can one add multiple posts into one newsletter ?
As the settings show one can add more posts in one newsletter
I cannot possibly add more than one (1) post in one (1) newsletter.

I prefer to publish about 10 to 20 posts into one newsletter
for publishing. So I need a recurring option to add various items
in one newsletter.

The demo nor the guide provides me with an example or solution

Best Regards

Paul

https://www.ads-software.com/extend/plugins/alo-easymail/