An e-mail management system a wireless personal communications device user of a terrestrial electronic mail service, the system including: Firstly, a service module, for managing electronic mail and transactions associated therewith, between a user's wireless personal communications device (101) and a proximate base station (104) of the terrestrial communications network, and also between the proximate base station of a terrestrial communications network and a terrestrial communications network's server wherein the user has an electronic mail account; and Secondly, a standardization module, for specifying a wireless communications protocol, at least between the user's wireless personal communications device and the proximate base station of the terrestrial communications network, wherein said protocol, for transmission of a packet of e-mail , is operative to append predetermined header/trailer to the packet, and to allocate base station transmission/reception time substantially equivalent to an interval necessary for transmitting/receiving the appended header-packet-trailer.