Yahoo recently emailing about previous best answers?

I have recently been getting flooded by yahoo emails (about 5-8 per day) about someone picking my answer as the best. These answers were picked as best weeks or even months ago, and I was notified back then. Why are they sending me emails again, and why now?

Anonymous2017-03-06T06:38:17Z

Favorite Answer

It's something to do with Yahoos crappy servers