You have found FictionMarket - a place for authors and publishers to get together.
Let's face it, finding the right publications to send your work is a daunting task. At FictionMarket it is easy to search for publications that accept your type of work, based upon what is actually accepted, not upon what is merely suggested.
Editors now have a place to keep authors up-to-date on the latest information about their publication. They can also contact author's to solicit work.