Providing temporary use of non-downloadable software for ensuring the security of electronic mail; providing temporary use of non-downloadable computer software, namely, software for the creation and development of information and communications security features and components for use in, by or with software applications; application service provider (ASP) featuring software for use in network management of an enterprise fleet of wireless devices comprising multiple mobile device third party operating systems; electronic mail encryption services; computer security consulting services, namely, selection and implementation of secure email systems for others; computer consultation services, namely, technical assessment services involving examination of electronic mail communications for others to identify regulated, high-risk or proprietary content; data encryption services