Within the Internet email system, a message transfer agent (MTA), or mail transfer agent, or mail relay is software that transfers electronic mail messages from one computer to another using SMTP.
What is a MTA database?
Microsoft Technology Associate (MTA) certification is the name of a suite of entry-level certifications offered by Microsoft that signify fundamental technology knowledge in those who earn it. According to Microsoft, earning the certificate(s) provides the core knowledge needed to begin a career in technology.