Simple Mail Transfer Protocol. J. Postel. August 1982. ... RFC 821 August 1982 Simple Mail Transfer Protocol 3.5. OPENING AND CLOSING At the time the transmission channel is opened there is an exchange to ensure that the hosts are communicating with the hosts they think they are.
www.faqs.org/rfcs/rfc821.html
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Simple Mail Transfer Protocol. J. Klensin, Ed. April 2001. ... 79 1. Introduction The objective of the Simple Mail Transfer Protocol (SMTP) is to transfer mail reliably and efficiently. SMTP is independent of the particular transmission subsystem and requires only a reliable ordered data stream channel.
www.faqs.org/rfcs/rfc2821.html
Simple Mail Transfer Protocol - Wikipedia, the free encyclopedia
Simple Mail Transfer Protocol ( SMTP ) is an Internet standard for electronic mail (e-mail) transmission across Internet Protocol (IP) networks. SMTP was first defined in RFC 821 (STD 15), and last...
en.wikipedia.org/wiki/Simple_Mail_Transfer_Protocol
Simple Mail Transfer Protocol (SMTP), documented in RFC 821, is Internet's standard host-to-host mail transport protocol and traditionally operates over TCP, port 25. In other words, a UNIX user can type telnet hostname 25 and connect with an SMTP server, if one is present.
www.freesoft.org/CIE/Topics/94.htm
RFC 821 SIMPLE MAIL TRANSFER PROTOCOL Jonathan B. Postel August 1982 Information Sciences Institute University of Southern California 4676 Admiralty Way ...
james.apache.org/server/rfclist/smtp/rfc0821.txt
Related protocols: ESMTP, Extended Simple Mail Transfer Protocol. LMTP, Local Mail Transfer Protocol. ... [RFC 2821] Simple Mail Transfer Protocol. ... [RFC 3461] Simple Mail Transfer Protocol (SMTP) Service Extension for Delivery Status Notifications (DSNs).
www.networksorcery.com/enp/protocol/smtp.htm www.networksorcery.com/enp/protocol/smtp.htm
Describes the widely implemented Simple Mail Transfer Protocol (SMTP) designed to transfer mail reliably and efficiently and relay mail across transport service environments. Obsoletes RFC 821, 974, 1869. ... Using Klensin Standards Track [Page 4] RFC 2821 Simple Mail Transfer Protocol April 2001 SMTP, a process can...
www.ietf.org/rfc/rfc2821.txt
Describes the widely implemented Simple Mail Transfer Protocol (SMTP) designed to transfer mail reliably and efficiently and relay mail across transport service environments. ... [Page 12] Postel RFC 821 August 1982 Simple Mail Transfer Protocol 3.5. OPENING AND CLOSING At the time the transmission channel is opened there is...
www.ietf.org/rfc/rfc0821.txt
These pages are designed as a reference for the Simple Mail Transfer Protocol (SMTP). They cover today's SMTP implementations and the IETF SMTP ...
cr.yp.to/smtp.html
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