Feedburner issues?

I had noticed a while ago that I was getting a lot of e-mail followers with the email address ending in outlook.com  The names of the people were strange also.



Then, Blogger stats were showing a surprising number of hits from Russia.





So, I removed the stranfge addresses and the option to follow by e-mail for a while.  When I reinstalled the gadget, the problem remained.


And now I