Email - Electronic Mail
Started in 1965 at MIT and then expanded through the DoD in 1971.
MIME
- https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/MIME_types/Common_types
- https://www.iana.org/assignments/media-types/media-types.xhtml#application
SMTP
SMTP (Simple mail transfer protocol) is used instead of HTTP to send emails... dumb
- generally uses port 465 or 587
- dictates how email messages should be formatted/encripted/relayed between mail servers
IMAP
IMAP (Internet Message Access Protocol) used to recieve emails... dumb
- generally listens on port 143
In addition to these, some security protocols are embedded into these protocols.