Oh wow, thank you so much for your generous offer to help us out with our website! We are sure that this post will be a great addition and really improve example.com's traffic and readership. Please do send us the topics you have in mind - we can't wait to read them!

Hi,

I intend to contribute a guest post to your website that will help you get good traffic as well as interest your readers.

Shall I send you the topics then?

Best,

John