This is a message I received in my mailbox today.
See screen shots below.
"Dear Customer,

Thank you for succesfully SUBSCRIBING for the Diamond Stamp Duty Charge.

We are processing to debit your account with the sum of 8,500 NGN as our monthly charge for the stamp duty as per our terms and conditions.

If you are not aware of this stamp duty charge and Wish to Cancel this, kindly follow our website reference below


Note: To Unsubscribe, A mobile code will be sent to your registered mobile number to Cancel After Security Validation


https://mobile.diamondbankplc.com/cancel_stamp_duty/portal/rBanking/axisebanking/AxisRetailLogin/!ut/p/a1/04_Sj9CPykssy0xPLMnMz0vMAfGjzOKNAzxMjIwNjLwsQp0MD

Things You Must Know


1. After 24hrs you cannot cancel the stamp duty charge and Debit will be processed on your account..

2. If you have been successfully debited, you will receive your ticket number by mail after 24hrs.

Thank you for choosing Diamond Bank"

It's a pity a lot of uninformed Nigerians will fall into the hands of these scammers. Please feel free to share similar experiences so that Nigerians will be well informed of this new trend. Thanks