The "undo" function of sending a message via Gmail that existed in the web versions is now also available in the Android version.
This feature allows you to recall an email you just sent. The revocation time you have at your disposal is a few seconds, but enough to press the "Undo" button and the accidental email is not delivered to its destination.
Although such errors usually do not occur when working on a large keyboard, such as a desktop for example, nevertheless on the small surface of a mobile phone it is very easy to press the wrong button, and send a half-finished email.
In addition to Gmail version 8.7 for Android, you have the right to undo and mobile your phone After sending an email, a black will appear line at the bottom of it screens with the “UNDO” option, which unlike the original desktop mode, is enabled by default.
Just press it within 5 seconds and your wrong message will never be delivered to the recipient.