A few of my posts do not get displayed when I publish them.

I have been running autoblog and using other peoples content to populate my site. I am about to start writing my own content but my site will still be used as a content curated site. I do not plan on stopping my use of autoblog. I have only been using it for about 1 month.

However, recently a couple posts from some blog sites will not show up when I publish them. They come into my feed and get processed and show in the preview as working fine. When I publish the content it does not show.

Is this a problem with autoblog or my config? Or did the original content creators block me from posting their content?