1. A computer system for accessing a message, the computer system comprising: one or more processors, one or more computer-readable memories, one or more computer-readable storage devices, and program instructions stored on at least one of the one or more storage devices for execution by at least one of the one or more processors via at least one of the one or more memories, the program instructions comprising: program instructions to receive the message from a sender of the message for posting on an electronic message server, and in response post the message on the electronic message server; program instructions to (a) receive at the electronic message server, from one or more addressees specified in the message, specification of one or more descriptive tags for the message and correlate the one or more descriptive tags to the message, and (b) prevent correlation to the message of a descriptive tag from a person who is not the sender of the message, not an addressee of the message and not an administrator of the electronic message server; program instructions to receive from one of the addressees a subsequent key word search for the one or more descriptive tags; and program instructions, responsive to the subsequent key word search being received from one of the addressees and matching the one or more descriptive tags and the correlation of the one or more descriptive tags to the message, to identify the message to the one addressee.