Email that not related to previous email

First the person approach me to ask for my advertisement fee and now reply me as following:

Dear sherrygo

I surfed on to your site (http://sherryshopping.blogspot.com/ ) and I see that you have a very nice site. I have a similar site from which I can promote your site, service or product for a low fee. My service includes writing featured posts about your website, products or services, and providing text links. My site is an established website with good traffic and I will happily share some of the traffic with you.

I am sure you will see increased traffic and sales after our promotion.

My site is a quality website with quality content and you will improve search engine ranking with our promotion. I am sure you will make the right decision. Best regards,
Shubha