On the below email
- On the below email or in the below email
- In the mail below
- Noted on the below email
- Reminder email below
- Following on the below email
- Fyi on the below email
- Based on the below email
- Update on the below email
- Further on the below email
- Acknowledge on the below email
- Any update on the below email
- Please advise on the email below
- Kindly advise on the below email
- Following up on the below email
- Kind reminder on the below email