(= "Internet Message Access Protocol", "Interneti sõnumipöörduse protokoll")

olemus
rakenduskihi standardprotokoll:
- siseneva meili allalaadimiseks meiliserverilt meilikliendile,
- võimaldades seda säilitada ka serveri
- põhineb transpordiprotokollil TCP
- kasutab porti 143
- suuremate võimalustega kui POP3
- suurema ressursitarbega kui POP3

ülevaateid
https://www.youtube.com/watch?v=cfXabGOA2s8

http://www.howtogeek.com/99423/email-whats-the-difference-in-pop3-imap-and-exchange/?

https://www.slideshare.net/zealousrohit/pop3-and-imap-protocol

https://www.slideshare.net/shwetagupta796/smtp-pop3-imapv-4

http://www.headtex.co.uk/docs/IMAP-POPSummaries.pdf

standard
https://tools.ietf.org/html/rfc3501

vt ka
- SMTP

turvalisus
https://www.f5.com/labs/articles/threat-intelligence/academic-research-a-survey-of-email-attacks

https://www.apriorit.com/qa-blog/428-mail-server-security-testing

https://www.alienvault.com/blogs/security-essentials/basic-best-practices-for-configuring-email-servers

https://www.springer.com/cda/content/document/cda_downloaddocument/9780387743899-c2.pdf?SGWID=0-0-45-491003-p173754548