An Application Question...

I was reading John's letters today and wondered the following: How do we apply the following command in our current context?

2 John 1~

10 If anyone comes to you and does not bring this teaching, do not receive him into your house or give him any greeting, 11 for whoever greets him takes part in his wicked works.

Where did my controversial post go?

After posting on my blog, something I rarely do but hope to begin again, I was slammed with comments, calls, emails, twitter messages etc. I decided to pull the post and restart my lame blogging career with less controversial posts. So, sorry if you missed it folks.