MIME (Multipurpose Internet Mail Extensions), this Internet standard enables email messages to include text written in character sets other than ASCII, as well as attachments including music, video, and picture files, as well as application programmes. Email communications that include text in character sets other than ASCII, as well as attachments of audio, video, photos, and application programmes, are allowed to use the MIME standard, which was established to allow for this. There is no restriction on how many parts a message body may be broken into, and header information can be provided in character sets other than the ASCII standard. Email messages using MIME formatting are often sent via the Simple Mail Transfer Protocol (SMTP), the Post Office Protocol (POP), and the Internet Message Access Protocol (IMAP), which are all protocols that are widely used (IMAP).
The MIME standard was established via the use of a series of requests for comments (RFCs). The RFCs 2045, RFC 2046, RFC 2047, RFC 4288, RFC 4289, and RFC 2049 are the requests for comments on these requests for comments. The standards for integrating SMTP email into a system are provided by RFC 1521 and RFC 1522, respectively.
Although the MIME formalism was initially developed for use with the SMTP protocol, its content categories have proven to be quite helpful in a broad range of other communication protocols. When utilising the HyperText Transmission Protocol (HTTP) for the World Wide Web, MIME header fields are added at the beginning of every web transfer that uses the protocol (also known as HTTP). In order to choose the most appropriate viewer application for the kind of data indicated by the content type header, clients use the content type or media type header to guide them through the process.