How to send confidential [Encrypted] email on Gmail

Step 1 : Click on Compose Button

Step 2 : Normally compose your email and click Lock icon on your screen

Step 3 : Confidential mode will display on screen. Set your email expiration date. Click on SMS passcode and click Save

Step 4 : Blue box will appear on the bottom of your composed email and click Send

Step 5 : Confirm phone number box will appear and Add the client ( recipient ) phone number in that box and click send

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Client Perspective:

Client need to click Send passcode button and OTP will send the phone number that you entered in Step 5.

OTP received to my test google voice phone number

After opening using code, my test message “ This is confidential email “ appeared on screen