Both are fine and grammatically correct. It is a matter of writing style preference.
You can see my report below.
Below is my report of the incident.
You can see below that I have written a report on the matter.
All are correct. It is just where you decide to place “below” in the sentence. The location of the information you are referring to can be placed anywhere in the sentence.
Both of your sentences mean the information you are providing to them is based on the information that was first provided in the email below.