As an example.
"You have requested documents in relation to the above property. Before I send them to you I ask you acknowledge the following conditions of my passing these to you.
All the documents we will provide have been prepared by third parties and we make no warranty as to their accuracy or completeness.
As an intending purchaser our recommendation is that you seek independent advice on all matters material to your decision to buy the property. On forwarding the documents to you we will also note any special matters we need to draw your attention to.

Once you acknowledge this email I will forward you the relevant information."