MIME - Multipurpose Internet Mail Extensions: Difference between revisions
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Latest revision as of 23:02, 1 March 2011
Multipurpose Internet Mail Extensions (MIME) is an Internet standard that extends the format of e-mail to support:
- Text in character sets other than ASCII
- Non-text attachments
- Message bodies with multiple parts
- Header information in non-ASCII character sets
MIME's use, however, has grown beyond describing the content of e-mail to describe content type in general, including for the web.
Virtually all human-written Internet e-mail and a fairly large proportion of automated e-mail is transmitted via SMTP in MIME format. Internet e-mail is so closely associated with the SMTP and MIME standards that it is sometimes called SMTP/MIME e-mail.
The content types defined by MIME standards are also of importance outside of e-mail, such as in protocls like HTTP. HTTP requires that data be transmitted in the context of e-mail-like messages, although the data most often is not actually e-mail.
MIME is specified in six linked RFC's: RFC 2045, RFC 2046, RFC 2047, RFC 4288, RFC 4289 and RFC 2049, which together define the specifications.