Check to see if the journal has a website, and if so:
Need help in evaluating a journal contact your subject librarian.
Check to see if the journal is indexed in a well established database. Some examples of databases include
Below is a list of possibly questionable, scholarly open-access publishers. Please read the available reviews, assessments and descriptions for the journal, and then make an informed decision whether you want to submit articles, serve as editors or on their editorial boards.