The new feature also disables the ability to forward, copy, print or download these emails. Confidential mode has been recently added to Gmail for Android, which is meant to help users protect sensitive information from unauthorized access. The feature launched on desktop earlier this year, and it allows senders to restrict things like forwarding, copying, and downloading the emails they send. In order to start using Confidential mode, you must open Gmail, click Compose, and from the bottom right of the window tap Turn on confidential mode. Senders can also set emails to expire after a certain amount of time, and, in cases where extra security is necessary, lock a message with an SMS code.
Confidential mode for Android and iOS is rolling out now. After selecting that, Gmail asks you to choose an expiration time and whether or not a passcode is required to open the message.
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However, eventually Google pulled out of China completely in 2010 after several large-scale attacks on the company purportedly by the Chinese government.
We first learned about Google's new "confidential mode" for Gmail back in April: a feature to help users better protect sensitive information they send to their contacts. Once the email is sent, the self-destruct timer can not be changed. You can always change your mind and remove or alter the confidential settings before sending the email. However, one feature which was talked about a lot was the Confidential Mode.
In addition, Confidential Mode will let you set a password for viewing documents, that way only those with the password can view them. Google has officially announced via Twitter that confidential mode in Gmail is now available on mobile devices as well.