Computer implemented methods, systems and computer readable media are provided for processing and managing electronic messaging. In one example, a system includes a client interface for enabling access to users of the electronic messaging system. Each user is provided with an inbox for electronically receiving messages and a sent box for electronically sending messages. The client interface is configured to receive an input for setting a lifetime setting for a message that is composed by a sender to a recipient via the client interface. Further provided is processing logic of the electronic messaging system for tracking messages having a lifetime setting and processing logic for deleting a message having a lifetime setting after expiration of a time period defined by the lifetime setting. The deleting is configured to remove the message from the sent box of the sender and the inbox of the recipient.