At UniNets, learners gain a clear understanding of MIME (Multipurpose Internet Mail Extensions) and its role in email communication, along with associated protocols like SMTP, IMAP, and POP3. The training highlights relevant port numbers—SMTP (25/587), IMAP (143/993), and POP3 (110/995)—and provides practical insights into secure email transmission and configuration. https://www.uninets.com/blog/email-protocols