Gmail and Google Apps are popular e-mail systems. However, the problem arises, if you have left gmail logged-in on another computer or if you have forgotten to log out of your gmail account from a public system outside , but don’t worry there is a quick and easy fix for this issue and you can sign-out remotely from all the systems you are registered with, using a simple and powerful option in the gmail. Whether you use Gmail or Google Apps for your Domain, at the bottom of the E-mail-Overview page, you will find the option “Last account activity”. This indicates when and from which IP-address the last access into your gmail account took place. The option “Details” is particularly interesting gmail function to spot suspicious activity in your Gmail account.
A click on this option will show you the last activity and the different types of accesses. Google also resolves the IP-addresses that accessed your gmail account and displays the associated location of the countries from where your account was accessed, as well as the time and date.
At the bottom right of the screen you can also activate the alarm settings and google will warn you and send you an alert if an unusual access of your gmail account occured from any suspicious location. If you received an alert from google about suspicious activity in your gmail account, you might also see up to 3 IP addresses that have been labeled as suspicious as well as the 10 normal IP addresses. You can also use the “sign out all other sessions” option to sign-out from all other sessions and be on the safe side. Below is a video-tutorial that will show you step by step process about how to remotely log out of Gmail.
How To Remotely Log Out Of Gmail (Video)