In below email
- On below email
- On below email or in below email
- In below email thread
- In below email chain
- In below email trail
- In the mail below
- Mentioned in the below email
- In your below email
- In continuation to below email
- In addition to below email
- In reference to below email
- In continuation to below email meaning
- Attached below in email
- In regards to below email
- See below in email