A session may include ____________________________________________
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- Simple Mail Transfer Protocol is an standard for sending and receiving e-mail transmission. it was first defined by "RFC 821 "in 1982 and it was last updated in 2008 with the Extended SMTP additions by RFC 5321—which is the protocol in widespread use today. SMTP by default uses TCP port 25.
- Jul 20, 2016 at 5:12am
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