e-mail and something about network and IP

Nov 15, 2009 03:35

Electronic dispatch, time brief as email or e-mail, is a method of exchanging digital messages, designed first and foremost for the treatment of soul use.
E-mail systems are based on a store-and-forward copy in which e-mail computer server systems accept, presumptuous, pronounce and department store messages on behalf of users, who solely need to connect to the e-mail infrastructure, typically an e-mail server, with a network-enabled trick (e.g., a familiar computer) for the purpose the duration of message offering or retrieval.
Infrequently is e-mail transmitted directly from one user's gimmick to another's.
An electronic post information consists of two components, the dispatch header, and the message core, which is the email's content.
The address header contains control information, including, minimally, an originator's email hail and joke or more receiver addresses.
Any non-7atom text that is sent without encoding ought to be nicely labelled with a content-transfer-encoding of 8piece or binary, as appropriate.
If the underlying transport does not support 8minute or binary (as SMTP 821] does not), the sender is required to both encode and docket data using an appropriate Content-Transfer-Encoding such as quoted-printable or base64.
Upon encountering any unrecognized Content-Type buff, an implementation must examine it as if it had a media quintessence of "application/octet-stream" with no parameter sub-arguments. How such observations are handled is up to an implementation,
but undoubtedly options inasmuch as handling such unrecognized information encompass gift the user to put down it into a column (decoded from its mail forward design) or offering the purchaser to name a program to which the decoded data should be passed as input, something like on check msn email online.

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