Simple Mail Transfer Protocol (SMTP). CS-328 Dick Steflik. SMTP RFCs. RFCs - 821, 1870, 1891 Related RFCs RFC 822 (Mail) RFC 1521 (MIME) RFC - 1725 (POP3) RFC - 1730 (IMAP4) Well known port : 25 (TCP) . SMTP Process. Contact server on well known port ASCII oriented command/response
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