What is Simple Mail Transfer Protocol (SMTP)?
/ April 29, 2018

Simple Mail Transport Protocol is the most widely adopted protocol for e-mail delivery. Simple Mail Transport Protocol (SMTP) was originally designed for a smaller community of users which was assumed to be well behaved and trust worthy. As such no heed was paid towards incorporating security protocols in it. But with its growth, this trust was breached, owing to lack of adequate security mechanism in it. Email is emerging as the one of the most valuable service in internet today. Most of the internet systems use SMTP as a method to transfer mail from one user to another. Description about SMTP SMTP stands for Simple Mail Transfer Protocol. This protocol allows transmitting electronic mail over the Internet or any other network. The protocol itself is designed on a character basis. Thus the entire transfer of a mail can be exanimated by a human being without having to decode first the data. This is the reason why mails can be send without major problem using a simple Telnet application. The entire process of sending a mail is describe here using a Telnet application as example base. Most e-mail systems that send mail over the Internet use simple mail transfer protocol (SMTP)…

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