QQ1.. What is SMTP? How does it differ from Internet Mail Access Protocol (IMAP).
- SMTP (Simple Mail Transfer Protocol) sends and relays outgoing emails between servers.
- IMAP (Internet Message Access Protocol) retrieves and manages incoming emails on the server.
- SMTP is a 'push' protocol; IMAP is a 'pull' protocol for email access.
- SMTP uses TCP ports 25/587 for transmission; IMAP uses ports 143/993 for access.
Answer: Email communication is a cornerstone of modern networking, facilitating asynchronous message exchange globally. The intricate process of sending, relaying, and receiving emails relies on several specialized protocols working in concert. Among these, the Simple Mail Transfer Protocol (SMTP) and the Internet Message Access Protocol (IMAP) play distinct yet complementary roles, as detailed in the BCS-052 course material. ## What is Simple Mail Transfer Protocol (SMTP)? SMTP, or Simple Mail Trans...