What is SMTP?

What is SMTP?

What is SMTP? SMTP overview Simple mail transfer protocol is one of the first text based protocols that software engineers play with. You can easily fire up a netcat or telnet session,talk to a mail server and deliver email. It is very similar to HTTP and it is stateful protocol, a transaction starts once you issue the DATA command. The excitement of seeing a mail sent by using low level semantics is not only very gratifying for a smart programmer it also used to serve a useful purpose.

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