Computer Network

Picture. E-mail architecture

1. In the picture, if User X is you with email hav.ac.uk:

a. Explain how the e-mail you send (using your hav e-mail) can be reached and read by Bob?

Note: in explaining use the keywords UA, MTA client, MTA server, MAA client, MAA server, Spool, mail boxes, mail server

b. State the protocols and ports used for communicating on the e-mail architecture above?

2.

a. How does DNS work on your computer to get the mail server IP in the image?

b. How does iterative resolution get the IP mail server?

UA UA MTA Client MAA Client LAN or WAN UA: user agent MTA: message transfer agent MAA: message access agent Bob User X LAN or WAN MTA Server MAA Server 3 Spool Boxes 5 MTA Internet MTA Server Client Mail server Mail server binus.ac.id gmail.com