Postel, J., "Simple Mail Transport Protocol", RFC 788, USC/Information Sciences Institute, November 1981.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....area networks that tie together numerous different kinds of computers or tie together engineering workstations. What are the other well known standard protocols in the TCP IP family Other than TCP and IP, the three main protocols in the TCP IP suite are the Simple Mail Transfer Protocol (SMTP) [8], the File Transfer Protocol (FTP) 3] and the TELNET Protocol [9] There are many other protocols in use on the Internet. The Internet Activities Board (IAB) regularly publishes an RFC [2] that describes the state of standardization of the various Internet protocols. This document is the best ....

Postel, J., "Simple Mail Transport Protocol", RFC 788, USC/Information Sciences Institute, November 1981.

....= 400] dns = bill.whitehouse.gov] Figure 2 5: A wire representation of the name speci er shown in Figure 2 2. Alternative wire representations. The wire representation we use for namespeci ers was chosen to be readable by humans, in the spirit of other application level protocols such as SMTP [33], HTTP [16] NNTP [21] etc. Having a human readable format makes testing and debugging quite easy, but is not the most compact or computationally ecient representation. If bandwidth or processing power is scarce, a di erent format may be desirable. For example, attributes and values need not be ....

J. B. Postel. Simple Mail Transport Protocol, August 1982. RFC-821. 97

....fails to deliver the briefcase using a normal meet, the agent could try using a transport agent called ag mail. This agent converts the briefcase into a email message. This conversion is actually quite easy, since an archived briefcase conforms to the SMTP standard for an email message body [Pos82] ag mail simply needs to add the necessary email headers. Then, ag mail sends this mail using the regular mailx mailer. This mechanism can be used in two ways. In the first approach, the email was addressed to a user named tacoma at the destination host. When this email is delivered at the ....

J. B. Postel. SMTP (Simple Mail Transport Protocol). Internet RFC 821, 1982.

....agents (though that is certainly possible) but that various classes of agents will be distributed by services for use by their subscribers or will be packaged with the client applications. The agent is initialized with the user s task (see below for examples) and transmitted by a message channel [22, 1]. The sending client may specify a destination service directly, but more likely it sends the agent initially to, for example, a Yellow Pages server, that can propose servers to be visited that are likely to be able to fulfill the user s task. When the agent reaches a server, it is delivered to an ....

J. B. Postel. SMTP (Simple Mail Transport Protocol). Internet RFC 821, 1982.

....of e mail went through several generations, as described below. Canonical E mail Addresses. The first response to the length problem was to develop increasingly more compact encodings encryptions of the mailbox name. These encodings had to conform to the relevant Internet standards (RFC 821 [RFC821]) yet remain invertible. To increase the coding alphabet, we used both upper and lower case characters for the encodings. To our surprise (too naive ) we discovered that many web sites force e mail addresses supplied in forms to all lower case. While doing so for the domain name is acceptable, ....

J.B. Postel, Simple mail transport protocol. Available at ftp://ftp.isi.edu/in-notes/rfc821.txt .

....agents (though that is certainly possible) but that various classes of agents will be distributed by services for use by their subscribers or will be packaged with the client applications. The agent is initialized with the user s task (see below for examples) and transmitted by a message channel [26, 2]. The sending client may specify a destination service directly. But the client will more likely send the agent initially to, for example, a Yellow Pages server, which can propose servers to be visited to fulfill the user s task. When the agent reaches a server, it is delivered to an agent ....

J. B. Postel. SMTP (Simple Mail Transport Protocol). Internet RFC 821, 1982.

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J.B. Postel, Simple mail transport protocol. Available at ftp://ftp.isi.edu/in-notes/rfc821.txt .

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