A method for providing continuous operation on e-mails includes providing a first server located at a first position and acting as mailstore for the user at the user computing device, providing at least one second server located at a second position different from the first position, and providing a third server located at a third position different from the first and second positions. Upon failure of the first server, the method involves preparing the second server to act as mailstore in the place of the first server, the preparing step comprising sending a signal to the second server to find data of the third server by means of pointers, store data in the second server, and convert the data respectively to raw data and metadata and storing the raw data and metadata in the second server.