Facebook feed

I installed Mailpoet and I am using “When there is new content” which is very cool. It does send out an email whenever I create a new post. I also created a post called facebook feed and whenever my FB page is updated, it creates new excerpts on my FB post. I have included the FB post page in my list of content for the newsletter but it is not recognizing that the content on that post is being updated. Is there a way to do that? I guess maybe it is going by the post page date and not checking the post content dates?

Thanks in advance.
Shirley

https://wordpress.org/plugins/wysija-newsletters/