If you are running a release/stable version, then you really ought to use a mirror versus openbsd.org.
However, if you are running -current, you must be absolutely sure that the mirror is actually up to date. This bit me pretty hard a few years ago when I finally discovered the mirror I was using was not being updated properly. Annoyed with Google searches, I have tried DuckDuckGo and I am getting better results. There is a lot of good stuff about OpenBSD on the Internet, but be careful that it isn't too old. OpenBSD is racing forward with wonderful changes, so old info is often totally wrong. And don't despair if you don't get responses on the mailing lists. Sometimes people don't have the time, or are on vacation or your question could involve something that is being changed right at that time so that there really isn't an answer just yet. Chris Bennett
