What is RFC SMTP?
SMTP is a TCP/IP protocol governing electronic mail transmission and reception. The details of SMTP are in RFC 821 of the Internet Engineering Task Force (IETF). SMTP (Simple Mail Transfer Protocol) is a TCP/IP protocol used in sending and receiving e-mail. SMTP usually is implemented to operate over Internet port 25.
What is the difference between RFC 5321 and RFC 5322?
The RFC 5322 sender/recipient information in the message is shown to the end user in the mail client (such as Outlook). The RFC 5321 sender/recipient information is used by mail routing servers to deliver email but is not normally shown to end users.
What is the port of SMTP?
Port 25
Port 25 is the original standard email SMTP port and the oldest, since it first debuted in 1982. Today, the Internet Assigned Numbers Authority (IANA), the group responsible for maintaining the internet addressing scheme, still recognizes port 25 as the standard, default SMTP port.
What is RFC Internet standard?
An Internet Standard is documented by a Request for Comments (RFC) or a set of RFCs. A specification that is to become a Standard or part of a Standard begins as an Internet Draft, and is later, usually after several revisions, accepted and published by the RFC Editor as an RFC and labeled a Proposed Standard.
What are the contents in rfc5322?
What is RFC 5322 – The Internet Message Format. RFC is nothing but only the name of a technology that is followed by all the internet messages, sending/receiving through the user to others. For example – All messages consist of a primitive envelope, some number of header files, a blank line, and then the message body.