42 Application service provider featuring application programming interface (API) software for the sending, receiving, and storage of email, and other online messages by web servers, email servers, and other computers; Industrial analysis and research services in the field of computer software and telecommunications software; design, development, and maintenance of computer programs and software, and in particular, development of data processing programs regarding electronic mail marketing; Computer software development in the field of remote, software as a service (SaaS) management software platforms; development and maintenance of online databases for third parties in the field of electronic mail marketing; computer systems analysis and computer programming services; advisory services in the field of developing computer databases; computer data security services, namely, design and development of electronic computer data security systems; database design services; conducting technical feasibility studies in the fields of new technologies and environmental engineering; computer systems design services; software development and design featuring hypertext links on a telecommunications network being the Internet; hosting of web sites; scientific research and engineering services; providing a website featuring technology that enables users to draft and send customized emailing campaigns and transactional electronic mail featuring improved deliverability in the field of electronic mail marketing; website design; troubleshooting of computer software problems, troubleshooting of database applications, and troubleshooting of electronic communication networks in the nature of diagnosing server problems; data encryption and decryption services for communication; digital compression of computer data; electronic document and e-mail authentication services, namely, authentication and verification of digital signatures, not for identification verification; provision of technological and scientific information in the fields of computer software, telecommunications software, computer systems, and engineering; software as a service (SAAS) services featuring software for drafting and sending customized and transactional electronic mails; cloud computing featuring software for drafting and sending customized and transactional electronic mails; information technology (IT) consultancy; electronic data storage; hosting, maintenance, and updating for others of electronic mail marketing websites; technical research in the field of computer software and scientific research and technological design in the field of computer software; electronic storage of information, data, statistics, business indexes, and electronic mail; Computer software design for creating electronic mail templates featuring electronic message design and deliverability optimization; software as a service (SAAS) services featuring software for improving the deliverability of electronic mail, namely, software for validating inbox placement, for verifying and validating email addresses, for testing email message delivery and receipt, for designing email, for email rendering, for sender reputation monitoring, for analyzing engagement metrics, and for generating related reports; Software as a service (SAAS) services featuring software for transmitting electronic mail and short messages via SMS