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Simple Mail Transfer Protocol(SMTP)

About SMTP SMTP it's a simple protocol used for sending electronic messages on internet.SMTP use the 25 TCP port and obtain the address of a SMTP sever using a MX(Mail Exchange) record from the DNS server configuration. The SMTP protocol specify the way that a electronic message is transfered between SMTP process that are on different systems.The ...

SMTP basics - What is SMTP?

Overview The SMTP protocol is a simple text based set of rules that establish how two mail servers communicates between. It is a 2 way communication as stated in RFC 821 : "as the result of a user mail request, the sender-SMTP establishes a two-way transmission channel to a receiver-SMTP. The receiver-SMTP may be either the ultimate destination or ...